Formatter should respect indentation

[ngdangtu-vn]

Is your feature request related to a problem? Please describe.
The way Formatter killed off all my indentation cause me a lot of trouble in reading the code. Please don't do that.

-- Origin
CREATE TABLE contact_groups(
	contact_id INTEGER,
	group_id INTEGER,
	PRIMARY KEY (contact_id, group_id),
	FOREIGN KEY (contact_id)
		REFERENCES contacts (contact_id)
			ON DELETE CASCADE
			ON UPDATE NO ACTION,
	FOREIGN KEY (group_id)
		REFERENCES groups (group_id)
			ON DELETE CASCADE
			ON UPDATE NO ACTION
);

-- Formatted
CREATE TABLE contact_groups(
	contact_id INTEGER,
	group_id INTEGER,
	PRIMARY KEY (contact_id, group_id),
	FOREIGN KEY (contact_id) REFERENCES contacts (contact_id) ON DELETE CASCADE ON UPDATE NO ACTION,
	FOREIGN KEY (group_id) REFERENCES groups (group_id) ON DELETE CASCADE ON UPDATE NO ACTION
);

Describe the solution you'd like
I simply want the formatter respect my indentation. Therefore I would like to add this option:

{
	"sqltools.format": {
		"language": "sql",
		"reservedWordCase": "upper",
		"linesBetweenQueries": 3,
		"indentation": "preserve | nested | crowed"
	}
}

Where as:

• preserve means nothing changes (default)
• nested detects certain keywords and send them to a newline. For instance, ON and REFERENCES require a new indented line. (my format above)
• crowed packs everything in one line (the current format)

[BenGinders]

This would be great if it could be added, currently indentation type or amount is not valid in the sqltools.format setting