Add Gitea Actions workflow.

.gitea/workflows/build.yaml

@@ -0,0 +1,28 @@
+name: Build & Test
+on:
+  push:
+    branches:
+    - "**"
+
+jobs:
+  Main:
+    runs-on: ubuntu-latest
+    steps:
+    -
+      name: Checkout
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+    -
+      name: Set up Go
+      uses: actions/setup-go@v4
+      with:
+        go-version: 1.21.5
+    -
+      name: Run linter
+      uses: golangci/golangci-lint-action@v3
+      with:
+        version: v1.54
+    -
+      name: Run tests
+      run: go test ./...