add build workflow

.github/workflows/build.yml

@@ -0,0 +1,59 @@
+name: Build Addon
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+
+  pull_request:
+    branches: [main]
+
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up PDM
+        uses: pdm-project/setup-pdm@v4
+        with:
+          python-version: '3.11'
+
+      - name: Install dependencies
+        run: |
+          pdm sync -d -G build
+
+      - name: Build addon
+        run: pdm run compile
+
+      - name: Upload build artifacts
+        if: success()
+        uses: actions/upload-artifact@v4
+        with:
+          name: packaged_addon
+          path: bin/simple-recorder.pyz
+
+  upload_release:
+    runs-on: ubuntu-latest
+    if: ${{ startsWith(github.ref, 'refs/tags/') }}
+    needs: build
+
+    steps:
+      - name: Download releases files
+        uses: actions/download-artifact@v4.1.7
+        with:
+          name: packaged_addon
+
+      - name: Display structure of downloaded files
+        run: tree
+
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: bin/simple-recorder.pyz
+          fail_on_unmatched_files: true
+          prerelease: ${{ contains(github.ref, '-') }}