docs: reorganize client docs and write new overview article (#4453)

Author: c-ehrlich

src/utils/trpc.ts

@@ -52,7 +52,7 @@ export const trpc = createTRPCNext<AppRouter>({
 
     return {
       /**
-       * @link https://trpc.io/docs/links
+       * @link https://trpc.io/docs/client/links
        */
       links: [
         // adds pretty logs to your console in development and logs errors in production