docs: update docs for 6.7 instructions for the sdk

guides/plugins/apps/administration/add-cms-element-via-admin-sdk.md

@@ -52,11 +52,12 @@
 Everything starts in the `main.ts` file:
 
 ```javascript
+// Prior to 6.7
 import 'regenerator-runtime/runtime';
 import { location } from '@shopware-ag/meteor-admin-sdk';
 
 // Only execute extensionSDK commands when
-// it is inside a iFrame (only needed for plugins)
+// it is inside an iFrame
 if (location.isIframe()) {
     if (location.is(location.MAIN_HIDDEN)) {
         // Execute the base commands
@@ -68,11 +69,23 @@
 }
 ```
 
-This is the main file, which is executed first and functions as the entry point.
+```javascript
+// 6.7 and above (inside meteor-app folder)
+import 'regenerator-runtime/runtime';
+import { location } from '@shopware-ag/meteor-admin-sdk';
 
-Start with `if(location.isIframe())` to make sure only content used inside iFrames is loaded. While the SDK is used in apps and plugins, this check ensures the code is executed in the right place.
+if (location.is(location.MAIN_HIDDEN)) {
+    // Execute the base commands
+    import('./base/mainCommands');
+} else {
+    // Render different views
+    import('./viewRenderer');
+}
+```
+
+This is the main file, which is executed first and functions as the entry point.
 
-Next you need `if(location.is(location.MAIN_HIDDEN))` to **load the main commands**, which are defined in the `mainCommands.ts` file. This will only be used to load logic, but not templates into the Administration.
+Use `if(location.is(location.MAIN_HIDDEN))` to **load the main commands**, which are defined in the `mainCommands.ts` file. This will only be used to load logic, but not templates into the Administration.
 
 Lastly, the `else` case will be responsible for specific loading of views via `viewRenderer.ts`. This is where the view templates will be loaded.