`--all` and `lint-staged` don't play well together

[10hendersonm]

When calling markdown-inject --all with lint-staged, lint-staged will tack staged files onto the end of the call.

Example call from lint-staged:

markdown-inject --all --no-follow-symbolic-links "/Users/<me>/development/projects/<my-project>/package.json"

This check causes a code 1 exit:

markdown-inject/src/index.ts

Lines 41 to 46 in 099784f

	if (options.all && globPattern) {
	console.error(
	`Options -a / --all and a globPattern ('${globPattern}') can not be provided together. Please select one or the other.`
	)
	return process.exit(1)
	}

Example:

Options -a / --all and a globPattern ('/Users/<me>/development/projects/<my-project>/package.json') can not be provided together. Please select one or the other.

[10hendersonm]

We aren't checking for multiple globPatterns, so slapping './**/*.md' and a bunch of paths together is no problemo. It's maybe a little opaque that the staged paths are completely ignored, though.