pr: chore - Fix typo in ContentType definition for Credentials (#2697)

Author: busybox11

docusaurus/docs/cms/typescript/documents-and-entries.md

@@ -157,7 +157,7 @@ function processUsageMetrics(
 Using the types' second parameter (`TKeys`), it is possible to obtain a subset of an entity.
 
 ```typescript
-type Credentials = Data.ContentType<'api::acount.acount', 'email' | 'password'>;
+type Credentials = Data.ContentType<'api::account.account', 'email' | 'password'>;
 //   ^? { email: string; password: string }
 ```