Add alphaTest setting to in world hud nametag to improve font rendering.

src/room.html

@@ -108,7 +108,7 @@
                 <a-entity in-world-hud rotation="-39.01000608674482 0 0">
                     <a-box geometry="height:0.13;width:0.6;depth:0.001" material="depthTest:false; color:#000000;opacity:0.35" class="hud bg"></a-box>
                     <a-image src="#unmuted" scale="-0.1 0.1 0.1" position="-0.2 0 0.001" class="hud mic" material="alphaTest:0.1;depthTest:false;" geometry=""></a-image>
-                    <a-text scale="0.3 0.3 0.3" position="-0.12 0 0.001" class="hud nametag" text="width:6;"></a-text>
+                    <a-text scale="0.3 0.3 0.3" position="-0.12 0 0.001" class="hud nametag" text="width:6;alphaTest:0.1"></a-text>
                     <a-image src="#avatar" scale="0.1 0.1 0.1" position="0.2 0 0.001" class="hud avatar" material="depthTest:false;" geometry=""></a-image>
                 </a-entity>
             </a-entity>