Added gitea publish action

.gitea/workflows/publish.yaml

@@ -0,0 +1,34 @@
+name: itch.io publish action
+run-name: ${{ gitea.actor }} is publishing ${{ gitea.repository }} ${{ gitea.ref }} to itch.io.
+
+on:
+  push:
+    branches:
+      - ci-test
+    tags:
+      - v*
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    env:
+      PNAME: ${{ gitea.event.repository.name }}
+    steps:
+      - name: Setup Godot
+        uses: chickensoft-games/setup-godot@v1
+        with:
+          version: 4.3
+          use-dotnet: false
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Build project
+      - run: |
+          curl -L -o butler.zip https://broth.itch.ovh/butler/linux-amd64/LATEST/archive/default
+          unzip butler.zip
+          chmod +x butler
+          ./butler -V
+      - run: |
+          mkdir -p build/"$PNAME"_{linux64,osx,win64}
+          godot --headless --verbose --export-debug "Linux" build/"$PNAME"_linux64/"$PNAME.x86_64"
+          godot --headless --verbose --export-debug "macOS" build/"$PNAME"_osx/"$PNAME.app"
+          godot --headless --verbose --export-debug "Windows Desktop" build/"$PNAME"_win64/"$PNAME.exe"