added EWNS episodes to sidebar list

vue-theme/src/components/sidebars/sidebar.vue

                 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'
             ],
             episodeSets: [
-                'collectors', 'science', 'play', 'miniatures', 'inspiration', 'home', 'jewelry', 'harmony', 'storytellers', 
-                'democracy', 'identity', 'quilts', 'visionaries', 'california', 
-                'neighbors', 'borders', 'nature', 'teachers', 'music', 
-                'celebration', 'service', 'industry', 'holiday', 'forge', 
-                'crossroads', 'threads', 'family', 'messages', 'process', 
-                'origins', 'community', 'landscape', 'memory' 
+                'east', 'west', 'north', 'east', 'collectors', 'science', 'play', 'miniatures', 'inspiration', 'home', 'jewelry', 'harmony', 'storytellers', 'democracy', 'identity', 'quilts', 'visionaries', 'california', 'neighbors', 'borders', 'nature', 'teachers', 'music', 'celebration', 'service', 'industry', 'holiday', 'forge', 'crossroads', 'threads', 'family', 'messages', 'process', 'origins', 'community', 'landscape', 'memory' 
             ],
             subtypeSets: [
                 'schools', 'museums', 'collectors', 'organizations', 'galleries'