add server version/commit in logs and UI

html/ui/index.html

@@ -22,7 +22,8 @@
             <button class="link" @click="copyText(session.token)">&#x1F5D0;</button>
         </span>
 
-        <span id="uiHash">ui <code>{{ uiHash || '-----' }}</code></span>
+        <span>server <code>{{ serverVersion || '-----' }}</code></span>
+        <span>ui     <code>{{ uiHash || '-----' }}</code></span>
 
         <span :class="publicState ? 'green' : 'red'">&#x1F5F2;</span>
     </div>

html/ui/js/app.js

@@ -16,6 +16,7 @@ createApp({
             session: {},
             error: null,
             publicState: null,
+            serverVersion: null,
             uiHash: null,
             watchingState: false,
             state: null,
@@ -41,6 +42,7 @@ createApp({
             deep: true,
             handler(v) {
                 if (v) {
+                    this.serverVersion = v.ServerVersion
                     if (this.uiHash && v.UIHash != this.uiHash) {
                         console.log("reloading")
                         location.reload()