feat: Add internet permission and update project JDK

This commit introduces the internet permission to the app manifest and updates the project's JDK level.

Changes:

-   Added the `android.permission.INTERNET` permission to the `AndroidManifest.xml` file.
-   Updated the project's JDK level to `JDK_21` in the `.idea/misc.xml` file.

Author: CGreenP

.idea/misc.xml

@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"