Update the plugins managment. Add the function 'omz-plugin' (inspired from bash-it)

plugins/available/ember-cli/ember-cli.plugin.zsh

@@ -0,0 +1,16 @@
+# Ember CLI
+# Visit http://www.ember-cli.com/ to view user guide
+
+alias es='ember serve'
+alias ea='ember addon'
+alias eb='ember build'
+alias ed='ember destroy'
+alias eg='ember generate'
+alias eh='ember help'
+alias ein='ember init'
+alias ei='ember install'
+alias et='ember test'
+alias eu='ember update'
+
+# version
+alias ev='ember version'