Function getIndefiniteArticle

getIndefiniteArticle(string: string): string
Determines the appropriate indefinite article ('A' or 'An') for string.
Parameters
- string: string
  The string for which to determine the indefinite article.
Returns string
Returns 'An' if string starts with a vowel, else 'A'.
Example
```
getIndefiniteArticle('apple')
// => 'An'

getIndefiniteArticle('banana')
// => 'A'
```
- Defined in getIndefiniteArticle.ts:32