chore: Add general bash shebang to generated shell script

Signed-off-by: teleprint-me <[email protected]>

Author: teleprint-me

convert-hf-to-gguf-update.py

@@ -277,7 +277,7 @@ def download_file_with_auth(url, token, save_path):
 # generate commands for creating vocab files
 print()  # pad output
 
-shscript = ""
+shscript = "#!/usr/bin/env bash\n\n"
 for model in models:
     name = model["name"]
     tmpline = f"python3 convert-hf-to-gguf.py models/tokenizers/{name}/ --outfile models/ggml-vocab-{name}.gguf --vocab-only\n"