fix(docs): add callout for Amplify UI component usage in SSR for Angu…

…lar/Vue (#6339)

* fix(docs): add callout about Amplify UI component usage in SSR for Angular/Vue

* chore: adjust wording feedback, fix angular heading sizes

docs/src/pages/[platform]/getting-started/troubleshooting/troubleshooting.angular.mdx

@@ -1,18 +1,22 @@
 import AngularPolyfill from './shared/angular-polyfill.mdx';
 import AWSExports from './shared/add-aws-exports-type.mdx';
 
-### Global and Process Shim
+## Global and Process Shim
 
 <AngularPolyfill />
 
 ### Could not find a declaration file for module './aws-exports'
 
 <AWSExports />
 
-### Problems with `OnPush` change detection
+## Server-side Rendering (SSR)
+
+Amplify UI components are interactive and designed to work with Client-side Rendering (CSR). You must ensure that Amplify UI components are not rendered on the server in SSR-enabled projects.
+
+## Problems with `OnPush` change detection
 
 The Authenticator component currently does not support use of the `OnPush` [change detection strategy](https://angular.io/api/core/ChangeDetectionStrategy). Please use the `Default` strategy instead.
 
-### Warning: CommonJS or AMD dependencies
+## Warning: CommonJS or AMD dependencies
 
 If you see CommonJS or AMD dependencies optimization bailouts warnings, add the following [content](https://gist.github.com/wlee221/6d98d96740bea6f53327b4db4a432616) to your `angular.json`.

docs/src/pages/[platform]/getting-started/troubleshooting/troubleshooting.vue.mdx

@@ -18,3 +18,7 @@ When working with a [Vite](https://vitejs.dev) project you must make a few modif
     <VitePolyfill />
   </Tabs.Panel>
 </Tabs.Container>
+
+## Server-side Rendering (SSR)
+
+Amplify UI components are interactive and designed to work with Client-side rendering (CSR). You must ensure that Amplify UI components are not rendered on the server in SSR-enabled projects.