modify format date angular material code example

Example: how custom angular material component date format

export const MY_DATE_FORMATS = {
    parse: {
      dateInput: 'DD-MM-YYYY',
    },
    display: {
      dateInput: 'MMM DD, YYYY',
      monthYearLabel: 'MMMM YYYY',
      dateA11yLabel: 'LL',
      monthYearA11yLabel: 'MMMM YYYY'
    },
};