ignore iOS build file

.gitignore

@@ -8,3 +8,24 @@ npm-debug.*
 *.orig.*
 web-build/
 web-report/
+
+# Xcode
+#
+build/
+Pods/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+*.xccheckout
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+*.xcuserstate
+project.xcworkspace
\ No newline at end of file