:panda_face: Added simulator alias for Xcode plugin

It is often required to start simulator without Xcode.

plugins/xcode/xcode.plugin.zsh

@@ -16,3 +16,4 @@ function xcsel {
 
 alias xcb='xcodebuild'
 alias xcp='xcode-select --print-path'
+alias simulator='open $(xcode-select  -p)/Platforms/iPhoneSimulator.platform/Developer/Applications/iPhone\ Simulator.app'