Adding .gitignore file

.gitignore

@@ -1,31 +1,19 @@
-#----------------------------------------------------------------------------
-# Ignore these files when commiting to a git repository.
-#
-# See http://help.github.com/ignore-files/ for more about ignoring files.
-#
-# The original version of this file is found here:
-# https://github.com/RailsApps/rails-composer/blob/master/files/gitignore.txt
-#
-# Corrections? Improvements? Create a GitHub issue:
-# http://github.com/RailsApps/rails-composer/issues
-#----------------------------------------------------------------------------
-
-# If you find yourself ignoring temporary files generated by your text editor
-# or operating system, you probably want to add a global ignore instead:
-#   git config --global core.excludesfile ~/.gitignore_global
-#
-# Here are some files you may want to ignore globally:
-
-# scm revert files
-**.orig
-
-# Mac finder artifacts
+# Xcode
 .DS_Store
-
-# vim artifacts
-**.swp
-
-/uploads/
-/temp/
-
-.ruby-version
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+*.xcworkspace
+!default.xcworkspace
+xcuserdata
+profile
+*.moved-aside
+DerivedData
+.idea/
+Pods