v1.1.1

v1.1.1:

• Minor JSDoc & types fixes.
• Now the array of giveaway winners is being represented in a Set instead of an array.
• Fixed the crash when giveaway guild/host member/channel cannot be fetched.
• Fixed the embedStrings.finish.endMessage being unused.
• Fixed the default giveaway button text being forced if it's not specified.
• Minor bug fixes.