Bump version to 1.6.0 (versionCode 11) for release

Co-Authored-By: Claude Opus 4.6 <[email protected]>

Author: infil00p

app/build.gradle.kts

@@ -20,8 +20,8 @@ android {
         applicationId = "ai.baseweight.baseweightsnap"
         minSdk = 28
         targetSdk = 35
-        versionCode = 10
-        versionName = "1.5.1"
+        versionCode = 11
+        versionName = "1.6.0"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"