Версия проекта была обновлена до 0.10.0: тесты, CI и документация образа

- tests/: 55 тестов web-панели, авторизации, сети и обновлений,
  все страницы рендерятся на замоканных virsh/systemctl;
- GitHub Actions: pyflakes + pytest на Python 3.11–3.13, shellcheck,
  сборка ISO amd64/arm64 по тегу v* или вручную;
- Makefile: make check / make test / make iso;
- docs/IMAGE.md и README: установка с ISO, продакшен-настройки,
  разработка;
- updates/versions.json: описание версии 0.10.0.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019LEUXMcdZo7b87mjkUsPgg

.github/workflows/ci.yml

@@ -0,0 +1,35 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    name: Tests (Python ${{ matrix.python }})
+    runs-on: ubuntu-24.04
+    strategy:
+      fail-fast: false
+      matrix:
+        # 3.12: Ubuntu 24.04 nodes; 3.13: Debian 13 (no crypt/spwd modules).
+        python: ["3.11", "3.12", "3.13"]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python }}
+          cache: pip
+          cache-dependency-path: web/requirements.txt
+      - run: pip install -r web/requirements.txt -r requirements-dev.txt
+      - run: make lint-python test
+
+  shell:
+    name: Shell scripts
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v4
+      - run: make lint-shell