Function addYears

addYears(date: Date, years: number): Date
Returns a new Date with years added. Accepts negative values to subtract years.
Parameters
- date: Date
  The base date.
- years: number
  Number of years to add.
Returns Date
Example
```
addYears(new Date("2024-01-01"), 1) // => 2025-01-01
addYears(new Date("2024-02-29"), 1) // => 2025-02-28 (leap year adjustment)
```
- Defined in date/addYears/index.ts:13