ValidDate
Challenge
Implement a type ValidDate, which takes an input type T and returns whether T is a valid date.
Leap year is not considered
Good Luck!
ValidDate<"0102">; // true
ValidDate<"0131">; // true
ValidDate<"1231">; // true
ValidDate<"0229">; // false
ValidDate<"0100">; // false
ValidDate<"0132">; // false
ValidDate<"1301">; // false