Update .gitignore

.gitignore

@@ -1,8 +1,33 @@
-.idea/
+# Gradle
-/.gradle
+.gradle/
-/.gradle
+build/
-/app/build
+**/build/
-/.gradle
+
+# Local configuration
 local.properties
-*.lock
+
-*.bin
+# Android Studio / IntelliJ
+.idea/
+*.iml
+
+# Android build artifacts
+*.apk
+*.aab
+
+# Native builds
+.externalNativeBuild/
+.cxx/
+
+# Logs
+*.log
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Android profiling
+*.hprof
+
+# Signing keys
+*.jks
+*.keystore