chore(tooling): add forgejo actions workflow

.forgejo/workflows/main.yaml

@@ -0,0 +1,46 @@
+---
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+  fmt:
+    runs-on: 'self-hosted'
+    steps:
+      - uses: 'actions/checkout@v4'
+      - uses: 'actions/setup-go@v5'
+        with:
+          go-version-file: 'go.mod'
+      - run: |
+          make tidy no-dirty
+  test:
+    runs-on: 'self-hosted'
+    steps:
+      - uses: 'actions/checkout@v4'
+      - uses: 'actions/setup-go@v5'
+        with:
+          go-version-file: 'go.mod'
+      - run: |
+          make check tidy no-dirty
+  build:
+    if: "${{ startsWith(github.ref, 'refs/tags/') }}"
+    needs:
+      - 'fmt'
+      - 'test'
+    runs-on: 'self-hosted'
+    steps:
+      - uses: 'actions/checkout@v4'
+      - uses: 'actions/setup-go@v5'
+        with:
+          go-version-file: 'go.mod'
+      - run: |
+          printf '%s' "$GIT_CRYPT_SECRET" | base64 -d > secret
+          git-crypt unlock secret
+          make build
+        env:
+          GIT_CRYPT_SECRET: '${{ secrets.GIT_CRYPT }}'
+      - uses: 'actions/upload-artifact@v4'
+        with:
+          if-no-files-found: 'error'
+          name: 'ods-${{ env.GITHUB_REF_NAME }}'
+          path: 'ods'