Update README.md

https://s3.amazonaws.com/moonup/production/uploads/648088ae8c6a3b8f11f8a4fa/g0e0tr63ARsndgP47y95I.mp4

README.md

@@ -1,3 +1,5 @@
 ---
 license: creativeml-openrail-m
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+language:
+- ja
+---