build: add github actions

.github/workflows/ci.yml

@@ -0,0 +1,26 @@
+name: Continuous Integration workflow
+
+on:
+  workflow_call:
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install devbox
+        uses: jetpack-io/[email protected]
+        with:
+          devbox-version: 0.8.5
+          enable-cache: 'true'
+
+      - name: Test
+        run:  devbox run test
+
+      - name: Lint
+        run:  devbox run lint
+
+      - name: Build
+        run:  devbox run --env GOARCH=amd64 build
+              devbox run --env GOARCH=arm build

.github/workflows/pr.yaml

@@ -0,0 +1,10 @@
+name: PR workflow
+
+on:
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  pr-workflow:
+    uses: ./.github/workflows/ci.yml