add deepStrictEqual type (#37116)
add deepStrictEqual type (#37116)

* add deepStrictEqual type

* rm trailing whitespace

* fix typo

dsebastien/DefinitelyTyped,markogresak/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped,mcliment/DefinitelyTyped