fix: set PlayerLives default to 3, use resource for HUD lives count in top left

yes I am fully aware that the UP is not the player lives, I'm just
wanting the indicator to be somewhere and I'll make the proper indicator
tomorrow probably

src/systems/state.rs

@@ -78,7 +78,7 @@ pub struct PlayerLives(pub u8);
 
 impl Default for PlayerLives {
     fn default() -> Self {
-        Self(1)
+        Self(3)
     }
 }