add assets to bundle

.forgejo/workflows/build.yml

@@ -17,8 +17,14 @@ jobs:
           export RUSTFLAGS="-Ccodegen-units=4 -Cdebuginfo=0"
           cargo build --release
 
-      - name: Upload binary artifacts
+      - name: Prepare distribution bundle
+        run: |
+          mkdir -p dist/bevy-santa
+          cp target/release/bevy-santa dist/bevy-santa/
+          cp -r assets dist/bevy-santa/
+
+      - name: Upload game bundle
         uses: actions/upload-artifact@v3
         with:
           name: bevy-santa-linux-release
-          path: target/release/bevy-santa
+          path: dist/bevy-santa