Fixed typo in the import statemnt

Author: eshanrnh

14/umbraco-cms/customizing/extending-overview/extension-registry/extension-manifest.md

@@ -79,7 +79,7 @@ Alternatively, an Extension Manifest can be declared in JavaScript at any given
 The following example shows how to register an extension manifest via JavaScript code:
 
 ```typescript
-import { umbExtensionsRegistry } from "@umbraco-cms/backoffice/extension-registry"
+import { umbExtensionsRegistry } from '@umbraco-cms/backoffice/extension-registry';
 
 const manifest = {
     type: '...',

14/umbraco-cms/customizing/foundation/working-with-data/repositories.md

@@ -9,7 +9,7 @@ A repository is the Backoffices entry point to request data and get notified abo
 ### Register a Repository <a href="#register-a-repository" id="register-a-repository"></a>
 
 ```typescript
-import { umbExtensionRegistry } from '@umbraco-cms/backoffice/extension-registry';
+import { umbExtensionsRegistry } from '@umbraco-cms/backoffice/extension-registry';
 import { MyRepository } from './MyRepository';
 
 const repositoryManifest = {

15/umbraco-cms/customizing/extending-overview/extension-registry/extension-manifest.md

@@ -126,7 +126,7 @@ Alternatively, an Extension Manifest can be declared in JavaScript at any given
 The following example shows how to register an extension manifest via JavaScript code:
 
 ```typescript
-import { umbExtensionsRegistry } from "@umbraco-cms/backoffice/extension-registry"
+import { umbExtensionsRegistry } from '@umbraco-cms/backoffice/extension-registry';
 
 const manifest = {
     type: '...',

16/umbraco-cms/customizing/foundation/working-with-data/repositories.md

@@ -9,7 +9,7 @@ A repository serves as the Backoffices entry point for requesting data and getti
 ### Register a Repository <a href="#register-a-repository" id="register-a-repository"></a>
 
 ```typescript
-import { umbExtensionRegistry } from '@umbraco-cms/backoffice/extension-registry';
+import { umbExtensionsRegistry } from '@umbraco-cms/backoffice/extension-registry';
 import { MyRepository } from './MyRepository';
 
 const repositoryManifest = {