fix: fix android proguard (#38)

Author: itsramiel

android/build.gradle

@@ -70,6 +70,7 @@ android {
       }
     }
 
+    consumerProguardFiles 'proguard-rules.pro'
   }
 
   buildFeatures {

android/proguard-rules.pro

@@ -0,0 +1,3 @@
+-keep class com.audioplayback.models.* {
+    public *;
+}

example/android/app/build.gradle

@@ -57,7 +57,7 @@ react {
 /**
  * Set this to true to Run Proguard on Release builds to minify the Java bytecode.
  */
-def enableProguardInReleaseBuilds = false
+def enableProguardInReleaseBuilds = true
 
 /**
  * The preferred build flavor of JavaScriptCore (JSC)
@@ -129,4 +129,4 @@ if (isNewArchitectureEnabled()) {
         commandLine "npx", "bob", "build", "--target", "codegen"
     }
     preBuild.dependsOn invokeLibraryCodegen
-}
+}