updated .gitignore

Author: Salakar

.gitignore

@@ -29,6 +29,7 @@ android/.gradle/
 android/.signing/
 
 # User-specific configurations
+android/.idea/gradle.xml
 android/.idea/libraries/
 android/.idea/workspace.xml
 android/.idea/tasks.xml
@@ -56,3 +57,4 @@ android/gradle/
 .idea
 .idea
 coverage
+yarn.lock