Key Bindings not working

[mohitWrangler]

I followed the guide at https://fman.io/docs/custom-shortcuts

Created a new file: ​Key Bindings.json and added new shortcut as

[
	{ "keys": ["F8"], "command": "create_and_edit_file" },
]

reloaded the plugins.
still, the key F8 bind to move to trash.