Fix missing type info in release builds

app/proguard-rules.pro

@@ -1,5 +1,7 @@
 -dontobfuscate
 
+-keep,allowoptimization class eu.kanade.**
+
 # Keep common dependencies used in extensions
 -keep,allowoptimization class androidx.preference.** { public protected *; }
 -keep,allowoptimization class kotlin.** { public protected *; }