v14 Update the forms localization article

14/umbraco-forms/developer/localization.md

@@ -12,17 +12,35 @@ When an editor chooses a language for their account, Umbraco CMS will render app
 
 Umbraco Forms ships with translations for the following languages:
 
- - Czech (`cs-cz.xml`)
- - Danish (`da-dk.xml`)
- - Spanish (`es-es.xml`)
- - French (`fr-fr.xml`)
- - Italian (`it-it.xml`)
- - Polish (`pl-pl.xml`)
- - UK English (`en-gb.xml`)
- - US English (`en-us.xml`)
-
-If the language you require does not exist, it's possible to create your own by duplicating the default `en-us.xml` file.  You can then save it with the appropriate culture code for the language you need and replace the English text with the translated version.
-
-As of Forms 10, the file no longer exists on disk and is shipped as part of the `Umbraco.Forms.StaticAssets` NuGet package. You can open this package, either locally using [Nuget Package Explorer](https://apps.microsoft.com/store/detail/nuget-package-explorer/9WZDNCRDMDM3?hl=en-gb&gl=gb&rtc=1), or [online](https://www.nuget.org/packages/Umbraco.Forms.StaticAssets/) by clicking the "Open in NuGet Package Explorer" link. You'll find the file at `staticwebassets/Lang/en-us.xml`.
-
-Once translated, the new file should be saved into the `App_Plugins/UmbracoForms/app/lang/` folder.
+ - Czech (`cs-cz.js`)
+ - Danish (`da-dk.js`)
+ - Spanish (`es-es.js`)
+ - French (`fr-fr.js`)
+ - Italian (`it-it.js`)
+ - Polish (`pl-pl.js`)
+ - UK English (`en-gb.js`)
+ - US English (`en-us.js`)
+
+If the language you require does not exist, it's possible to create your own by duplicating the default `en-us.js` file.  You can then save it with the appropriate culture code for the language you need and replace the English text with the translated version.
+
+As of Forms 10, the file no longer exists on disk and is shipped as part of the `Umbraco.Forms.StaticAssets` NuGet package. You can open this package, either locally using [Nuget Package Explorer](https://apps.microsoft.com/store/detail/nuget-package-explorer/9WZDNCRDMDM3?hl=en-gb&gl=gb&rtc=1), or [online](https://www.nuget.org/packages/Umbraco.Forms.StaticAssets/) by clicking the "Open in NuGet Package Explorer" link. You'll find the file at `staticwebassets/en-us.js`.
+
+Once translated, the new file should be saved somewhere in the `App_Plugins` folder for example `App_Plugins/UmbracoFormsLocalization/`. The final step is to register the localization file. The can be done by creating a `umbraco-package.json` like so: 
+
+```json
+{
+  "$schema": "../../umbraco-package-schema.json",
+  "name": "Umbraco.Forms.Extensions",
+  "extensions": [
+    {
+      "type": "localization",
+      "alias": "UmbracoForms.Localize.NlNL",
+      "name": "Dutch (Netherlands)",
+      "meta": {
+        "culture": "nl-nl"
+      },
+      "js": "/App_Plugins/UmbracoFormsLocalization/nl-nl.js"
+    }
+  ]
+}
+```