docs: change keyword ARCHITECTURE to ARCH in README.md

Signed-off-by: Gaius <[email protected]>

Author: gaius-qi

README.md

@@ -25,7 +25,7 @@ Example of Modelfile:
 NAME gemma-2b
 
 # Model architecture (string), such as transformer, cnn, rnn, etc.
-ARCHITECTURE transformer
+ARCH transformer
 
 # Model family (string), such as llama3, gpt2, qwen2, etc.
 FAMILY gemma