Add release action

.gitea/workflows/release.yaml

@@ -0,0 +1,39 @@
+name: Release
+run-name: Build the project for release
+on: 
+  push:
+    tags:
+      - '*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v3
+        with:
+          submodules: recursive
+          fetch-depth: 0
+      - name: Install system dependencies
+        run:  apt update && apt install -y flatpak-builder flatpak python3-aiohttp python3-tenacity libostree-1-1 python3-gi gir1.2-ostree-1.0 wget
+      - name: Add flathub repo and install flatpak dependencies
+        run: flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
+      - name: Build project
+        run: flatpak-builder --install-deps-from flathub build-flatpak com.experimentalcraft.NekoPlayer.yml --repo ./flatpak-repo
+      - name: Download uploading script
+        run: wget https://raw.githubusercontent.com/flatpak/flat-manager/9401efbdc0d6bd489507d8401c567ba219d735d5/flat-manager-client -O flat-manager-client && chmod +x flat-manager-client
+      - name: Upload to flatpak repo
+        run: ./flat-manager-client -v --token $FLATPAK_TOKEN push --commit --publish $(./flat-manager-client -v --token $FLATPAK_TOKEN create http://192.168.122.249:8080 stable) ./flatpak-repo/
+        env:
+          FLATPAK_TOKEN: ${{ secrets.FLATPAK_TOKEN }}
+      - name: Release
+        id: release
+        uses: https://gitea.com/actions/release-action@main
+        with:
+          files: |-
+            flatpakref/stable.flatpakref
+          api_key: '${{secrets.RELEASE_TOKEN}}'
+      #- uses: actions/upload-artifact@v3
+      #  with:
+      #    name: build
+      #    path: builddir/player