Adding a library name for better visibility

Hi, contrats on the release! I'm Steven from HF, I opened a small PR to help get clearer and better snippets + library_name

README.md

@@ -18,6 +18,7 @@ tags:
 - discrete-flow-matching
 - pytorch
 - hf-asr-leaderboard
+library_name: drax
 ---
 
 # Drax: Speech Recognition with Discrete Flow Matching