build: Added build workflow

.forgejo/workflows/build.yml

@@ -0,0 +1,30 @@
+name: Build and Upload Canary
+on:
+  # Allows you to run this manually from the Forgejo UI
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: https://github.com/oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Install dependencies
+        run: bun install --frozen-lockfile
+
+      - name: Build Canary
+        run: bun run build:canary
+
+      - name: Upload Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: canary-build
+          # Replace 'dist' with your actual output folder (e.g., 'out' or 'build')
+          path: artifacts/
+          retention-days: 7