Template context when formatting a note

The following variables are available in the templates used when formatting notes, for example with zk list --format <template>.

Variable	Type	Description
`path`	string	File path to the note, relative to the current directory
`title`	string	Note title
`lead`	string	First paragraph extracted from the note content
`body`	string	All of the note content, minus the heading
`snippets`	[string]	List of context-sensitive relevant excerpts from the note
`raw-content`	string	The full raw content of the note file
`word-count`	int	Number of words in the note
`created`	date	Date of creation of the note
`modified`	date	Last date of modification of the note
`checksum`	string	SHA-256 checksum of the note file