chore: add build workflow

.forgejo/workflows/build.yaml

@@ -0,0 +1,29 @@
+name: Build project
+
+on:
+  push:
+  pull-request:
+
+jobs:
+
+  build:
+
+    runs-on: [debian-12]
+    strategy:
+      matrix:
+        go-version: [ '1.21', '1.22' ]
+
+    steps:
+
+    - name: Checkout repo
+      uses: actions/checkout@v4
+
+    - name: Setup Go ${{ matrix.go-version }}
+      uses: actions/setup-go@v5
+      with:
+        go-version: ${{ matrix.go-version }}
+
+    - name: Build plugins
+      run: |
+        go mod download
+        ./build.sh