Create github actions for dependabot and ci (#6)

* add dependabot workflow

* simple buildx thing

* build the binaries, changelog and append all of this to each release

* inspect buildx

* set up QEMU for armv6 support

.github/dependabot.yaml

@@ -0,0 +1,7 @@
+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/ci.yaml

@@ -0,0 +1,42 @@
+name: ci
+
+on:
+  push:
+
+jobs:
+  buildx:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+        with:
+          platforms: linux/arm/v6
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Inspect builder
+        run: |
+          echo "Name:      ${{ steps.buildx.outputs.name }}"
+          echo "Endpoint:  ${{ steps.buildx.outputs.endpoint }}"
+          echo "Status:    ${{ steps.buildx.outputs.status }}"
+          echo "Flags:     ${{ steps.buildx.outputs.flags }}"
+          echo "Platforms: ${{ steps.buildx.outputs.platforms }}"
+      - name: Build binaries
+        run: |
+          sh ./build.sh
+      - name: Build Changelog
+        if: startsWith(github.ref, 'refs/tags/')
+        id: github_release
+        uses: mikepenz/release-changelog-builder-action@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Release
+        if: startsWith(github.ref, 'refs/tags/')
+        uses: softprops/action-gh-release@v1
+        with:
+          body: ${{steps.github_release.outputs.changelog}}
+          files: |
+            out/color-wipe-armv6
+            LICENSE