add an animation to score changes

public/buzzer.js

@@ -31,11 +31,8 @@ const buzzer_key = {
   name: "space bar",
 }
 
-let socket,
-  conn,
-  clients = [],
-  me,
-  session_key
+let conn,
+  clients = []
 
 function hide(e) {
   e = isString(e) ? q(`#${e}`) : e
@@ -218,6 +215,7 @@ function set_name(name) {
 }
 
 function setup_ws() {
+  let me, session_key
   const sid = session_id()
   const credentials = { id: storage["my_uid"], key: storage["my_key"] }
   conn = new Connection()