Add CI/CD workflows for build and release

- Add CI workflow for build/test on push and PR
- Add release workflow to create releases on tags

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.gitea/workflows/ci.yml

@@ -0,0 +1,27 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '1.21'
+
+      - name: Build
+        run: go build ./...
+        env:
+          GOPRIVATE: git.marketally.com
+
+      - name: Test
+        run: go test ./...
+        env:
+          GOPRIVATE: git.marketally.com

.gitea/workflows/release.yml

@@ -0,0 +1,28 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '1.21'
+
+      - name: Build
+        run: go build ./...
+        env:
+          GOPRIVATE: git.marketally.com
+
+      - name: Create Release
+        uses: softprops/action-gh-release@v1
+        with:
+          generate_release_notes: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}