Move style and theme to the dedicated module

library/ui-styles/build.gradle

@@ -51,4 +51,8 @@ android {
 dependencies {
     implementation 'androidx.appcompat:appcompat:1.3.0'
     implementation 'com.google.android.material:material:1.3.0'
+    // Pref theme
+    implementation 'androidx.preference:preference-ktx:1.1.1'
+    // PFLockScreen attrs
+    implementation 'com.github.vector-im:PFLockScreen-Android:1.0.0-beta12'
 }