feat(communities): add icon support to community model and UI components for enhanced visual representation

backend/routes/communitiesRoutes.js

@@ -24,7 +24,8 @@ async function getCommunities(req, res) {
           description: c.description ? String(c.description) : '',
           tags: Array.isArray(c.tags) ? c.tags.map(String) : [],
           gatewayDefault: c.gatewayDefault ? String(c.gatewayDefault) : '',
-          color: c.color ? String(c.color) : ''
+          color: c.color ? String(c.color) : '',
+          icon: c.icon ? String(c.icon) : ''
         }));
     },
     defaultValue: []
@@ -70,6 +71,7 @@ async function postCommunities(req, res) {
       tags: Array.isArray(entry.tags) ? entry.tags.map(String) : [],
       gatewayDefault: entry.gatewayDefault ? String(entry.gatewayDefault) : '',
       color: entry.color ? String(entry.color) : '',
+      icon: entry.icon ? String(entry.icon) : '',
       category: entry.category ? String(entry.category) : '',
       priority: typeof entry.priority === 'number' ? entry.priority : 0,
       enabled: typeof entry.enabled === 'boolean' ? entry.enabled : true,