index

update: add title

article: Mao ยท changes

diff --git a/src/card-games/mao.md b/src/card-games/mao.md
index a38f2ef..ab51fef 100644
--- a/src/card-games/mao.md
+++ b/src/card-games/mao.md
@@ -1,3 +1,7 @@
+---
+title: Mao
+---
+
 # Mao
 
 (https://en.wikipedia.org/wiki/Mao_(card_game))