Enable minifying of resources in release builds

Author: mhagander

app/build.gradle

@@ -6,15 +6,20 @@ android {
         applicationId "eu.postgresql.android.conferencescanner"
         minSdkVersion 29
         targetSdkVersion 35
-        versionCode 107000
-        versionName "1.7.0"
+        versionCode 107001
+        versionName "1.7.1"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
+            shrinkResources true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
+        debug {
+            minifyEnabled false
+            shrinkResources false
+        }
     }
     buildFeatures {
         buildConfig = true