feat(stacks): add support for stack deploy (#1280)

app/services/codeMirror.js

@@ -0,0 +1,21 @@
+angular.module('portainer.services')
+.factory('CodeMirrorService', function CodeMirrorService() {
+  'use strict';
+
+  var codeMirrorOptions = {
+    lineNumbers: true,
+    mode: 'text/x-yaml',
+    gutters: ['CodeMirror-lint-markers'],
+    lint: true
+  };
+
+  var service = {};
+
+  service.applyCodeMirrorOnElement = function(element) {
+    var cm = CodeMirror.fromTextArea(element, codeMirrorOptions);
+    cm.setSize('100%', 500);
+    return cm;
+  };
+
+  return service;
+});