Function monthFromName

monthFromName(monthName: string | number): number
Converts Hebrew month string name to numeric
Parameters
- monthName: string | number
  monthName
Returns number
Example
```
monthFromName('Cheshvan'); // 8
monthFromName('חשון');     // 8
monthFromName('Adar II');  // 13
monthFromName(7);          // 7 (passthrough)
```
- Defined in hdateBase.ts:382