Update .gitignore

Author: amrangry

.gitignore

@@ -2,6 +2,11 @@
 #
 # gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
 
+## OS geretared
+.DS_Store
+*.DS_store
+**/.DS_Store
+
 ## Build generated
 build/
 DerivedData/
@@ -46,8 +51,8 @@ playground.xcworkspace
 # you should judge for yourself, the pros and cons are mentioned at:
 # https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control
 #
-# Pods/
-
+Pods/
+*.xcworkspace
 # Carthage
 #
 # Add this line if you want to avoid checking in source code from Carthage dependencies.