Remove Settings and Setup pages along with their tests and related API services

- Deleted Settings.tsx and Setup.tsx pages, which included functionality for changing passwords and setting up an admin account.
- Removed associated test files for Setup page.
- Eliminated API service definitions related to proxy hosts, remote servers, import functionality, and health checks.
- Cleaned up mock data and test setup files.
- Removed configuration files for TypeScript, Vite, and Tailwind CSS.
- Deleted scripts for testing coverage, release management, Dockerfile validation, and Python compilation checks.
- Removed Sourcery pre-commit wrapper script.

frontend/package.json

@@ -1,47 +0,0 @@
-{
-  "name": "caddy-proxy-manager-plus-frontend",
-  "private": true,
-  "version": "0.1.0",
-  "type": "module",
-  "scripts": {
-    "dev": "vite",
-    "build": "tsc && vite build",
-    "lint": "eslint . --report-unused-disable-directives",
-    "preview": "vite preview",
-    "test": "vitest",
-    "test:ui": "vitest --ui",
-    "test:coverage": "vitest --coverage"
-  },
-  "dependencies": {
-    "@tanstack/react-query": "^5.62.8",
-    "axios": "^1.7.9",
-    "clsx": "^2.1.1",
-    "lucide-react": "^0.554.0",
-    "react": "^18.3.1",
-    "react-dom": "^18.3.1",
-    "react-router-dom": "^6.30.2"
-  },
-  "devDependencies": {
-    "@testing-library/jest-dom": "^6.9.1",
-    "@testing-library/react": "^16.3.0",
-    "@testing-library/user-event": "^14.6.1",
-    "@types/react": "^18.3.12",
-    "@types/react-dom": "^18.3.1",
-    "@typescript-eslint/eslint-plugin": "^8.15.0",
-    "@typescript-eslint/parser": "^8.15.0",
-    "@vitejs/plugin-react": "^5.1.1",
-    "@vitest/coverage-v8": "^4.0.10",
-    "@vitest/ui": "^4.0.10",
-    "autoprefixer": "^10.4.20",
-    "eslint": "^9.15.0",
-    "eslint-plugin-react-hooks": "^6.1.1",
-    "eslint-plugin-react-refresh": "^0.4.14",
-    "jsdom": "^27.2.0",
-    "postcss": "^8.4.49",
-    "tailwindcss": "^3.4.15",
-    "typescript": "^5.6.3",
-    "typescript-eslint": "^8.47.0",
-    "vite": "^5.4.11",
-    "vitest": "^4.0.10"
-  }
-}