Create designer-tab component

Created designer-tab component for side-nav of resource context
Updated configuration according to new design

Change-Id: I3bbd3024318d48aa0c1560440877ecd3efbf8b89
Issue-ID: SDC-939
Signed-off-by: Idan Amit <ia096e@intl.att.com>
diff --git a/catalog-ui/src/app/utils/constants.ts b/catalog-ui/src/app/utils/constants.ts
index 3ea652a..c04da62 100644
--- a/catalog-ui/src/app/utils/constants.ts
+++ b/catalog-ui/src/app/utils/constants.ts
@@ -7,9 +7,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -198,8 +198,8 @@
 }
 
 export class GraphUIObjects {
-    public static HANDLE_SIZE = 18; 
-    public static NODE_OVERLAP_MIN_SIZE = 30; 
+    public static HANDLE_SIZE = 18;
+    public static NODE_OVERLAP_MIN_SIZE = 30;
     public static DEFAULT_RESOURCE_WIDTH = 65;
     public static SMALL_RESOURCE_WIDTH = 21;
     public static LINK_MENU_HEIGHT = 420;
@@ -239,6 +239,7 @@
     public static WORKSPACE_DISTRIBUTION = 'workspace.distribution';
     public static WORKSPACE_PROPERTIES_ASSIGNMENT = 'workspace.properties_assignment';
     public static WORKSPACE_REQUIREMENTS_AND_CAPABILITIES = 'workspace.reqAndCap';
+    public static WORKSPACE_DESIGNERS = 'workspace.designers';
     public static WORKSPACE_NG2 = 'workspace.ng2';
 }