filter on approved posts only on leaderboard

suchwow/routes/leaderboard.py

@@ -11,7 +11,7 @@ bp = Blueprint("leaderboard", "leaderboard")
 @bp.route("/leaderboard")
 def leaderboard():
     top_posters = {}
-    posts = Post.select()
+    posts = Post.select().where(Post.approved==True)
     for post in posts:
         transfers = []
         incoming = wownero.Wallet().incoming_transfers(post.account_index)