feat: add CI pipeline (#3)

Addition of unit test in CI pipeline.
Branch protection for merges to main setup, requiring "CI / test (pull_request)".

Reviewed-on: #3
Co-authored-by: Timo Behrendt <t.behrendt@t00n.de>
Co-committed-by: Timo Behrendt <t.behrendt@t00n.de>

.gitea/workflows/ci.yaml

@@ -0,0 +1,45 @@
+name: CI
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+env:
+  GOPATH: /go_path
+  GOCACHE: /go_cache
+  RUNNER_TOOL_CACHE: /toolcache
+
+jobs:
+  testing:
+    name: test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+          check-latest: true
+      - name: Create cache key
+        uses: https://gitea.com/actions/go-hashfiles@v0.0.1
+        id: hash-go
+        with:
+          patterns: |
+            go.mod
+            go.sum
+      - name: cache go
+        id: cache-go
+        uses: actions/cache@v4
+        with:
+          path: |
+            /go_path
+            /go_cache
+          key: go_path-${{ steps.hash-go.outputs.hash }}
+          restore-keys: |-
+            go_cache-${{ steps.hash-go.outputs.hash }}      
+      - name: build
+        run: make build
+      - name: test
+        run: make test