Added modal window for server deletion

src/servers/services/index.js

@@ -1,4 +1,5 @@
 import Storage from '../../utils/Storage';
+import { dissoc } from 'ramda';
 
 const SERVERS_STORAGE_KEY = 'servers';
 
@@ -21,6 +22,11 @@ export class ServersService {
     servers[server.id] = server;
     this.storage.set(SERVERS_STORAGE_KEY, servers);
   };
+
+  deleteServer = server => {
+    const servers = dissoc(server.id, this.listServers());
+    this.storage.set(SERVERS_STORAGE_KEY, servers);
+  };
 }
 
 export default new ServersService(Storage);