added unofficial build and release for main branch

Author: introkun

.github/workflows/release.yml

@@ -0,0 +1,44 @@
+name: Create Unofficial Release with Artifacts
+
+on:
+  push:
+    # Or on tags only, e.g. 'v*.*.*'
+    branches:
+      - main
+  workflow_dispatch:   # Allows manual trigger
+
+jobs:
+  build-and-release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repo with submodules
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Run builder image
+        run: |
+          docker run --rm \
+            -u $(id -u):$(id -g) \
+            -v ${{ github.workspace }}:/build/source \
+            -v ${{ github.workspace }}/output:/output \
+            ghcr.io/introkun/netpass-builder:latest
+
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        with:
+          tag_name: ${{ github.ref_name }}
+          release_name: Unofficial Release ${{ github.ref_name }}
+          draft: false
+          prerelease: true
+          body: |
+            Automated unofficial release for commit ${{ github.sha }}.
+
+      - name: Upload Release Assets
+        uses: softprops/action-gh-release@v1
+        with:
+          files: output/*.cia,output/*.3dsx
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}