Messaging: Looply home UI and Gradle app module layout

Restructure the tree for Android Studio/Gradle builds and add the iOS-style home experience with pinned conversations, selection chrome, and scroll-aware search padding.

Co-authored-by: Cursor <cursoragent@cursor.com>

settings.gradle

@@ -0,0 +1,23 @@
+pluginManagement {
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.PREFER_SETTINGS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.name = 'Messaging'
+
+include ':app'
+include ':modules:colorpicker'
+include ':modules:chips'
+include ':modules:photoviewer'
+include ':modules:vcard'