Add ProGuard rules for Compose UI classes

Added ProGuard rules to keep specific Compose classes.

Author: DerGoogler

app/proguard-rules.pro

@@ -53,6 +53,12 @@
     <init>(...);
     *;
 }
+
+-keep class androidx.compose.ui.graphics.Color { *; }
+-keep class androidx.compose.material3.ButtonColors { *; }
+-keep class androidx.compose.material3.CardColors { *; }
+-keep class androidx.compose.material3.ColorScheme { *; }
+
 -keep class com.dergoogler.mmrl.webui.util.WebUIOptions
 -keep class com.dergoogler.mmrl.webui.interfaces.**
--keep class * extends com.dergoogler.mmrl.webui.interfaces.WXInterface
+-keep class * extends com.dergoogler.mmrl.webui.interfaces.WXInterface