2. implement Required<T>

As the opposite of Partial<T>, Required<T> sets all properties of T to required.

Please implement MyRequired<T> by yourself.

// all properties are optionaltype Foo = {  a?: string  b?: number  c?: boolean}const a: MyRequired<Foo> = {}// Errorconst b: MyRequired<Foo> = {  a: 'BFE.dev'}// Errorconst c: MyRequired<Foo> = {  b: 123}// Errorconst d: MyRequired<Foo> = {  b: 123,  c: true}// Errorconst e: MyRequired<Foo> = {  a: 'BFE.dev',  b: 123,  c: true}// valid