ssb: Beginnings of a "sync now" mode for mobile.

apps/ssb/tf-tab-connections.js

@@ -158,10 +158,20 @@ class TfTabConnectionsElement extends LitElement {
 		`;
 	}
 
+	refresh() {
+		tfrpc.rpc.sync();
+	}
+
 	render() {
 		let self = this;
 		return html`
 			<div class="w3-container" style="box-sizing: border-box">
+				<button
+					class="w3-button w3-theme-l3 w3-circle w3-ripple w3-large"
+					@click=${this.refresh}
+				>
+					🔃
+				</button>
 				<h2>New Connection</h2>
 				<textarea class="w3-input w3-theme-d1" id="code"></textarea>
 				<button