Add daemon host extension option

ext/src/ui/options/Bridge.tsx

@@ -118,6 +118,13 @@ export default class Bridge extends Component<BridgeProps, BridgeState> {
                             </div>
                             <div className="option__label">
                                 { backupMessageStart }
+                                <input className="bridge__backup-host"
+                                       name="bridgeBackupHost"
+                                       type="text"
+                                       required
+                                       value={ this.props.options.bridgeBackupHost }
+                                       onChange={ this.props.onChange } />
+                                :
                                 <input className="bridge__backup-port"
                                        name="bridgeBackupPort"
                                        type="number"

ext/src/ui/options/styles/index.css

@@ -195,12 +195,20 @@
     margin-left: 10px;
 }
 
+.bridge__backup-host,
 .bridge__backup-port {
-    width: 75px;
     margin-left: 0.5em;
     margin-right: 0.5em;
 }
 
+.bridge__backup-host {
+    width: 125px;
+}
+
+.bridge__backup-port {
+    width: 75px;
+}
+
 
 .category {
     border: initial;