feat(docs): update quick start page and add reference section

docs/source.config.ts

@@ -1,3 +1,4 @@
+import { remarkMdxFiles } from 'fumadocs-core/mdx-plugins';
 import {
   defineConfig,
   defineDocs,
@@ -21,6 +22,6 @@ export const docs = defineDocs({
 
 export default defineConfig({
   mdxOptions: {
-    // MDX options
+    remarkPlugins: [remarkMdxFiles],
   },
 });