Add multilingual to the language tag

Hi! A PR to add multilingual to the language tag to improve the referencing.

README.md

@@ -1,11 +1,12 @@
 ---
-license: afl-3.0
 language:
 - en
 - ur
 - hi
+- multilingual
+license: afl-3.0
 widget:
- - text: "Tum bohot badiya ho."
+- text: Tum bohot badiya ho.
 ---
 
 ## Hinglish-Bert-Class fine-tuned on Hinglish11K dataset.