fix: redirect loop (#166)

## Summary by Sourcery

Fixes a redirect loop on the /documentation path by ensuring a trailing
slash is present.

Bug Fixes:
- Fixes a redirect loop by adding a trailing slash to the `basePath` and
introducing a rewrite rule to redirect `/documentation` to
`/documentation/`.

Build:
- Enables `trailingSlash` in the next.config.js file.

Author: insider89

next.config.mjs

@@ -7,6 +7,7 @@ const config = {
   reactStrictMode: true,
   output: 'standalone',
   basePath: '/documentation',
+  trailingSlash: true,
   serverExternalPackages: ['oxc-transform'],
   eslint: {
     ignoreDuringBuilds: true,
@@ -22,6 +23,14 @@ const config = {
     inlineCss: true,
     reactCompiler: true,
   },
+  async rewrites() {
+    return [
+      {
+        source: '/documentation',
+        destination: '/documentation/',
+      },
+    ];
+  },
 };
 
 export default withMDX(config);