Renamed addon to "Warps" to follow the repo's name in addon.yml

+ added icon

src/main/resources/addon.yml

@@ -1,6 +1,7 @@
-name: WelcomeWarps
+name: Warps
 main: world.bentobox.warps.Warp
 version: ${version}${build.number}
+icon: OAK_SIGN
 
 authors: tastybento
 
@@ -33,4 +34,4 @@ permissions:
     default: true
   skygrid.island.addwarp:
     description: Player can create a welcome warp sign
-    default: true
+    default: true