Function truncate

truncate(stringToTruncate: string, maxLength?: number): string
Truncates a string and appends ... to the end of it
Parameters
- stringToTruncate: string
  The string to truncate.
- maxLength: number = 5
  The length at which to start truncating. Note that this does not include the ... part that would be appended.
Returns string
A new string that has been truncated based on the length provided.