docs: add contextual notes about string status names

Add educational paragraphs explaining that status(418) can also be written as status("I'm a teapot") using Elysia's string status name feature. These notes appear where 418 status codes are used in examples, helping readers discover this feature in context.

Author: braden-w

docs/patterns/error-handling.md

@@ -308,6 +308,8 @@ new Elysia()
     })
 ```
 
+Here we use `status(418)` which is the "I'm a teapot" status code. You can also use the string name directly: `status("I'm a teapot")`. See [Status and Headers](/tutorial/getting-started/status-and-headers) for more on using status codes.
+
 <Playground
     :elysia="demo"
 />

docs/tutorial/getting-started/life-cycle/index.md

@@ -62,6 +62,8 @@ new Elysia()
 	.get('/2', () => 'Hello Elysia!')
 ```
 
+Here we use `status(418)` which is the "I'm a teapot" status code. You can also use the string name directly: `status("I'm a teapot")`. See <DocLink href="/tutorial/getting-started/status-and-headers">Status and Headers</DocLink> for more on using status codes.
+
 When `beforeHandle` returns a value, it will skip the handler and return the value instead.
 
 This is useful for things like authentication, where you want to return a `401 Unauthorized` response if the user is not authenticated.