me-web? skeleton: Avalonia 12 app, server, packaging and CI

The first screen (online or not, a Check button, every language with a
draft notice), the desktop and Android heads, the server's /api/info and
/api/ip, a release tool that builds deb, rpm, a Windows exe, macOS zips,
a signed APK and the server, and the Gitea workflows that run it. Rules
adapted from passolo; AGPL-3.0.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012CzABvBkbcFqoHdmi8b9WB

.gitea/workflows/release.yml

@@ -0,0 +1,39 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+  workflow_dispatch:
+    inputs:
+      publish:
+        description: "Create the Gitea release too (false builds every platform and deploys the server only)"
+        default: "false"
+
+jobs:
+  release:
+    name: Every platform, the server, the release
+    runs-on: nuvola
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Prepare
+        run: .gitea/scripts/prepare.sh
+
+      - name: Linux, Windows, macOS and the server
+        run: tools/release.sh linux windows macos server --commit "$COMMIT"
+
+      - name: Android, signed
+        env:
+          MEWEB_KEYSTORE_B64: ${{ secrets.MEWEB_KEYSTORE_B64 }}
+          MEWEB_KEYSTORE_PASS: ${{ secrets.MEWEB_KEYSTORE_PASS }}
+        run: .gitea/scripts/android.sh
+
+      - name: Deploy the server
+        run: .gitea/scripts/deploy-server.sh "releases/$VERSION/MeWeb-Server-$VERSION-linux-x64.tar.gz"
+
+      - name: Publish the release
+        if: ${{ github.ref_type == 'tag' || inputs.publish == 'true' }}
+        env:
+          RELEASE_TOKEN: ${{ secrets.GITEA_TOKEN }}
+        run: .gitea/scripts/release.sh "v$VERSION" releases/"$VERSION"/*