Add license and tag metadata

README.md

@@ -1,3 +1,9 @@
+---
+license: bsd-3-clause
+tags:
+  - kernel
+---
+
 # Flash Attention
 
 Flash Attention is a fast and memory-efficient implementation of the attention mechanism, designed to work with large models and long sequences. This is a Hugging Face compliant kernel build of Flash Attention.
@@ -65,6 +71,7 @@ print(f"Output: {out_kv.shape}")
 ```
 
 expected output
+
 ```txt
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 Flash Attention functions: ['mha_bwd', 'mha_fwd', 'mha_fwd_kvcache', 'mha_varlen_bwd', 'mha_varlen_fwd']
@@ -77,4 +84,5 @@ Output: torch.Size([10, 4, 8])
 
 3. KV-cache:
 Output: torch.Size([2, 2, 4, 8])
-```
+```
+