Add github workflow tasks

.github/workflows/ci.yml

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+# This file was automatically generated by sbt-github-actions using the
+# githubWorkflowGenerate task. You should add and commit this file to
+# your git repository. It goes without saying that you shouldn't edit
+# this file by hand! Instead, if you wish to make changes, you should
+# change your sbt build configuration to revise the workflow description
+# to meet your needs, then regenerate this file.
+
+name: Continuous Integration
+
+on:
+  pull_request:
+    branches: ['**', '!update/**', '!pr/**']
+  push:
+    branches: ['**', '!update/**', '!pr/**']
+
+env:
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+
+concurrency:
+  group: ${{ github.workflow }} @ ${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    name: Build and Test
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        scala: [3]
+        java: [temurin@17]
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 60
+    steps:
+      - name: Checkout current branch (full)
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Setup Java (temurin@17)
+        id: setup-java-temurin-17
+        if: matrix.java == 'temurin@17'
+        uses: actions/setup-java@v3
+        with:
+          distribution: temurin
+          java-version: 17
+          cache: sbt
+
+      - name: sbt update
+        if: matrix.java == 'temurin@17' && steps.setup-java-temurin-17.outputs.cache-hit == 'false'
+        run: sbt '++ ${{ matrix.scala }}' reload +update
+
+      - name: Check that workflows are up to date
+        run: sbt githubWorkflowCheck
+
+      - name: Check headers and formatting
+        if: matrix.java == 'temurin@17'
+        run: sbt '++ ${{ matrix.scala }}' headerCheckAll scalafmtCheckAll 'project /' scalafmtSbtCheck lucumaScalafmtCheck lucumaScalafixCheck
+
+      - name: Check scalafix lints
+        if: matrix.java == 'temurin@17' && matrix.os == 'ubuntu-latest'
+        run: sbt '++ ${{ matrix.scala }}' 'scalafixAll --check'
+
+      - name: Test
+        run: sbt '++ ${{ matrix.scala }}' test
+
+      - name: Aggregate coverage reports
+        run: sbt '++ ${{ matrix.scala }}' coverageReport coverageAggregate
+
+      - name: Upload code coverage data
+        uses: codecov/codecov-action@v3

.github/workflows/clean.yml

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+# This file was automatically generated by sbt-github-actions using the
+# githubWorkflowGenerate task. You should add and commit this file to
+# your git repository. It goes without saying that you shouldn't edit
+# this file by hand! Instead, if you wish to make changes, you should
+# change your sbt build configuration to revise the workflow description
+# to meet your needs, then regenerate this file.
+
+name: Clean
+
+on: push
+
+jobs:
+  delete-artifacts:
+    name: Delete Artifacts
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - name: Delete artifacts
+        run: |
+          # Customize those three lines with your repository and credentials:
+          REPO=${GITHUB_API_URL}/repos/${{ github.repository }}
+
+          # A shortcut to call GitHub API.
+          ghapi() { curl --silent --location --user _:$GITHUB_TOKEN "$@"; }
+
+          # A temporary file which receives HTTP response headers.
+          TMPFILE=/tmp/tmp.$$
+
+          # An associative array, key: artifact name, value: number of artifacts of that name.
+          declare -A ARTCOUNT
+
+          # Process all artifacts on this repository, loop on returned "pages".
+          URL=$REPO/actions/artifacts
+          while [[ -n "$URL" ]]; do
+
+            # Get current page, get response headers in a temporary file.
+            JSON=$(ghapi --dump-header $TMPFILE "$URL")
+
+            # Get URL of next page. Will be empty if we are at the last page.
+            URL=$(grep '^Link:' "$TMPFILE" | tr ',' '\n' | grep 'rel="next"' | head -1 | sed -e 's/.*<//' -e 's/>.*//')
+            rm -f $TMPFILE
+
+            # Number of artifacts on this page:
+            COUNT=$(( $(jq <<<$JSON -r '.artifacts | length') ))
+
+            # Loop on all artifacts on this page.
+            for ((i=0; $i < $COUNT; i++)); do
+
+              # Get name of artifact and count instances of this name.
+              name=$(jq <<<$JSON -r ".artifacts[$i].name?")
+              ARTCOUNT[$name]=$(( $(( ${ARTCOUNT[$name]} )) + 1))
+
+              id=$(jq <<<$JSON -r ".artifacts[$i].id?")
+              size=$(( $(jq <<<$JSON -r ".artifacts[$i].size_in_bytes?") ))
+              printf "Deleting '%s' #%d, %'d bytes\n" $name ${ARTCOUNT[$name]} $size
+              ghapi -X DELETE $REPO/actions/artifacts/$id
+            done
+          done

.mergify.yml

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+# This file was automatically generated by sbt-typelevel-mergify using the
+# mergifyGenerate task. You should add and commit this file to
+# your git repository. It goes without saying that you shouldn't edit
+# this file by hand! Instead, if you wish to make changes, you should
+# change your sbt build configuration to revise the mergify configuration
+# to meet your needs, then regenerate this file.
+
+pull_request_rules:
+- name: merge scala-steward's PRs
+  conditions:
+  - author=lucuma-steward[bot]
+  - or:
+    - body~=labels:.*early-semver-patch
+    - body~=labels:.*early-semver-minor
+    - 'title=flake.lock: Update'
+  - status-success=Build and Test (ubuntu-latest, 3, temurin@17)
+  actions:
+    merge: {}
+- name: Label epics PRs
+  conditions:
+  - files~=^modules/epics/
+  actions:
+    label:
+      add:
+      - epics
+      remove: []
+- name: Label tcssim PRs
+  conditions:
+  - files~=^modules/tcssim/
+  actions:
+    label:
+      add:
+      - tcssim
+      remove: []

.scalafix-common.conf

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+# This file was automatically generated by sbt-lucuma using the
+# lucumaScalafixGenerate task. You should add and commit this file to
+# your git repository. It goes without saying that you shouldn't edit
+# this file by hand! Instead, if you wish to make changes, you should
+# make a PR to sbt-lucuma.
+
+rules = [
+  OrganizeImports
+]

.scalafmt-common.conf

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+# This file was automatically generated by sbt-lucuma using the
+# lucumaScalafmtGenerate task. You should add and commit this file to
+# your git repository. It goes without saying that you shouldn't edit
+# this file by hand! Instead, if you wish to make changes, you should
+# make a PR to sbt-lucuma.
+
+version = "3.7.7"
+style = default
+
+runner.dialect = scala3
+
+maxColumn = 100
+project.git = true
+
+// Vertical alignment is pretty, but leads to bigger diffs
+align.preset = most
+
+rewrite.rules = [
+  AvoidInfix
+  RedundantBraces
+  RedundantParens
+  AsciiSortImports
+  PreferCurlyFors
+]
+
+align.tokens."+" = [{code = "=>", owner = "Case"}]
+align.tokens."+" = [{code = ":", owner = "Term.Param"}, "=", "shouldBe", "<-", "^"]
+align.openParenCallSite = true
+spaces.inImportCurlyBraces = false
+
+continuationIndent.defnSite = 2
+
+docstrings.style = Asterisk
+
+rewrite.neverInfix.excludeFilters = [until
+  to
+  by
+  eq
+  ne
+  "should.*"
+  "contain.*"
+  "must.*"
+  in
+  be
+  taggedAs
+  thrownBy
+  synchronized
+  have
+  when
+  size
+  theSameElementsAs]