feat(ui): Add UI library (#900)

* feat: scaffold UI library

* Update packages/ui/src/components/theme-provider.tsx

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* add lock file

* lint/formatting fixes

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

packages/ui/tsconfig.json

@@ -0,0 +1,25 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "target": "ES2021",
+    "lib": ["ES2021", "DOM"],
+    "jsx": "react-jsx",
+    "module": "ESNext",
+    "moduleResolution": "Bundler",
+    "skipLibCheck": true,
+    "declaration": true,
+    "declarationMap": true,
+    "emitDeclarationOnly": false,
+    "noUncheckedIndexedAccess": true,
+    "erasableSyntaxOnly": true,
+    "outDir": "dist",
+    "rootDir": "src",
+    "strict": true,
+    "types": ["react", "react-dom"],
+    "baseUrl": ".",
+    "paths": {
+      "@/*": ["./src/*"]
+    }
+  },
+  "include": ["src"]
+}