refactor: migrate from MUI to Ant Design for layout and components

- Updated package.json to remove MUI dependencies and add Ant Design.
- Refactored App component to use Ant Design's Layout, Header, Footer, and Sidebar.
- Created new Footer, Header, and Sidebar components using Ant Design.
- Removed old Header component that used MUI.
- Updated Home component to use Ant Design's Typography and Button.
- Added global styles in index.less and theme styles in theme.less and layout.less.
- Removed MUI theme configuration and replaced it with Ant Design's theming.

.eslintrc.json

@@ -0,0 +1,31 @@
+{
+  "root": true,
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": 2020,
+    "sourceType": "module",
+    "project": "./tsconfig.json"
+  },
+  "plugins": ["@typescript-eslint", "import"],
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "prettier"
+  ],
+  "rules": {
+    "import/order": [
+      "error",
+      {
+        "groups": ["builtin", "external", "internal", "parent", "sibling", "index"],
+        "alphabetize": { "order": "asc", "caseInsensitive": true },
+        "newlines-between": "always"
+      }
+    ],
+    "@typescript-eslint/explicit-module-boundary-types": "off"
+  },
+  "settings": {
+    "import/resolver": {
+      "typescript": {}
+    }
+  }
+}