Add profile photo uploads and custom difficulty support

app/multiplayer.css

@@ -83,6 +83,10 @@
   gap: 8px;
   flex-wrap: wrap;
 }
+.multiplayer-avatar {
+  width: 28px;
+  height: 28px;
+}
 .multiplayer-table-wrap {
   overflow-x: auto;
   margin: 28px 0;
@@ -99,6 +103,13 @@
 .multiplayer-final .multiplayer-you {
   background: #8dce6614;
 }
+.multiplayer-final-avatar {
+  width: 24px;
+  height: 24px;
+  display: inline-block;
+  vertical-align: middle;
+  margin-right: 6px;
+}
 .multiplayer-scoreboard {
   position: absolute;
   z-index: 20;
@@ -139,6 +150,10 @@
   flex: 1;
   min-width: 0;
 }
+.multiplayer-scoreboard .multiplayer-avatar {
+  width: 26px;
+  height: 26px;
+}
 .multiplayer-scoreboard li small {
   display: block;
   font-size: 11px;