Add github action to export game

.github/workflows/build_game.yaml

@@ -0,0 +1,41 @@
+# Whenever a tag push matching pattern "v*" then run the job
+on: 
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  # job id, can be anything
+  export_game:
+    # Always use ubuntu-latest for this action
+    runs-on: ubuntu-latest
+    # Add permission for release creation. Can be made narrower according to your needs
+    permissions: write-all
+    # Job name, can be anything
+    name: Build Game
+    steps:
+      # Always include the checkout step so that 
+      # your project is available for Godot to export
+    - name: checkout
+      uses: actions/[email protected]
+
+    - name: export game
+      id: export
+      # Use latest version (see releases for all versions)
+      uses: firebelley/[email protected]
+      with:
+        # Defining all the required inputs
+        godot_executable_download_url: https://github.com/godotengine/godot/releases/download/4.2.2-stable/Godot_v4.2.2-stable_linux.x86_64.zip
+        godot_export_templates_download_url: https://github.com/godotengine/godot/releases/download/4.2.2-stable/Godot_v4.2.2-stable_export_templates.tpz
+        relative_project_path: ./
+        archive_output: true
+
+      # This release action has worked well for me. However, you can most likely use any release action of your choosing.
+      # https://github.com/ncipollo/release-action
+    - name: create release
+      uses: ncipollo/[email protected]
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+        generateReleaseNotes: true
+        tag: ${{ github.ref_name }}
+        artifacts: ${{ steps.export.outputs.archive_directory }}/*