chore: Separate extensions by app (#3905)

extensions/boostforreddit/stub/build.gradle.kts

@@ -0,0 +1,17 @@
+plugins {
+    id(libs.plugins.android.library.get().pluginId)
+}
+
+android {
+    namespace = "app.revanced.extension"
+    compileSdk = 33
+
+    defaultConfig {
+        minSdk = 24
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+}

extensions/boostforreddit/stub/src/main/AndroidManifest.xml

@@ -0,0 +1 @@
+<manifest/>

extensions/boostforreddit/stub/src/main/java/com/rubenmayayo/reddit/ui/activities/WebViewActivity.java

@@ -0,0 +1,6 @@
+package com.rubenmayayo.reddit.ui.activities;
+
+import android.app.Activity;
+
+public class WebViewActivity extends Activity {
+}