ssb: Move the refresh/sync button to the navigation bar as an experiment.

apps/ssb/tf-app.js

@@ -321,6 +321,10 @@ class TfElement extends LitElement {
 		}
 	}
 
+	refresh() {
+		tfrpc.rpc.sync();
+	}
+
 	render() {
 		let self = this;
 
@@ -341,6 +345,12 @@ class TfElement extends LitElement {
 
 		let tabs = html`
 			<div class="w3-bar w3-theme-l1">
+				<button
+					class="w3-bar-item w3-button w3-circle w3-ripple"
+					@click=${this.refresh}
+				>
+					↻
+				</button>
 				${Object.entries(k_tabs).map(
 					([k, v]) => html`
 						<button