Initialize documentation module with Fumadocs integration and basic setup

documentation/src/mdx-components.tsx

@@ -0,0 +1,9 @@
+import defaultMdxComponents from 'fumadocs-ui/mdx';
+import type { MDXComponents } from 'mdx/types';
+
+export function getMDXComponents(components?: MDXComponents): MDXComponents {
+  return {
+    ...defaultMdxComponents,
+    ...components,
+  };
+}