feat(client): setup formatting

- Installed @antfu/eslint-config for formatting
- Installed lint-staged for pre-commit formatting compliance

Signed-off-by: Noa Virellia <noa@requiem.garden>

client/eslint.config.js

@@ -0,0 +1,15 @@
+import antfu from '@antfu/eslint-config';
+
+export default antfu({
+  gitignore: true,
+  ignores: ['**/node_modules/**', '**/dist/**', 'bun.lock'],
+  react: true,
+  stylistic: {
+    semi: true,
+    quotes: 'single',
+    indent: 2,
+  },
+  typescript: {
+    tsconfigPath: 'tsconfig.json',
+  },
+});