Function wildcard

Simple wilcard matching. Use '*' in pattern to denote any number of characters.

// Must start with 'cat'
wildcard(`cat*`,`caterpillar`); // true
// Must end with 'cat'
wildcat(`*cat`, `bobcat`);  // true
// 'cat' anywhere in string
wildcard(`*cat*`, `see cat run`); // true

wildcard(pattern): ((value: string) => boolean)
Parameters
- pattern: string
Returns ((value: string) => boolean)
- - (value): boolean
  - Parameters
    - value: string
    Returns boolean