build: update version code to 29 and version name to 3.1.0

Author: UmerCodez

app/build.gradle.kts

@@ -21,8 +21,8 @@ android {
         applicationId = "com.github.umer0586.droidpad"
         minSdk = 21
         targetSdk = 35
-        versionCode = 28
-        versionName = "3.0.0"
+        versionCode = 29
+        versionName = "3.1.0"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {