Add multilingual to the language tag

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

README.md

@@ -1,6 +1,4 @@
 ---
-inference: false
-license: bigscience-bloom-rail-1.0
 language:
 - ak
 - ar
@@ -47,6 +45,9 @@ language:
 - yo
 - zh
 - zu
+- multilingual
+license: bigscience-bloom-rail-1.0
+inference: false
 pipeline_tag: text-generation
 ---
 ### Quantized bigscience/bloom 6B3 with 8-bit weights