Update .gitignore

.gitignore

@@ -1,17 +1,15 @@
-*.iml
+# Android specific
-.gradle
+local.properties
-/local.properties
+
-/.idea/caches
+# Gradle
-/.idea/codeStyles
+.cxx
-/.idea/dictionaries
-/.idea/libraries
-/.idea/gradle.xml
-/.idea/misc.xml
-/.idea/modules.xml
-/.idea/workspace.xml
-/.idea/navEditor.xml
-/.idea/assetWizardSettings.xml
-.DS_Store
-/build
-/captures
 .externalNativeBuild
+.gradle
+build
+
+# IntelliJ IDEA
+.idea
+*.iml
+
+# macOS
+.DS_Store