Add the ability to support querying separate records instances

[KallynGowdy]

:rocket: Improvements

• Added the ability to specify which auth site records should be loaded/retrieved from.
  • This is useful for saving or getting records from another CasualOS instance.
  • The following functions have been updated to support an optional endpoint parameter:
    • os.recordData(key, address, data, endpoint?)
    • os.getData(recordName, address, endpoint?)
    • os.listData(recordName, startingAddress?, endpoint?)
    • os.eraseData(key, address, endpoint?)
    • os.recordManualApprovalData(key, address, data, endpoint?)
    • os.getManualApprovalData(recordName, address, endpoint?)
    • os.listManualApprovalData(recordName, startingAddress?, endpoint?)
    • os.eraseManualApprovalData(key, address, endpoint?)
    • os.recordFile(key, data, options?, endpoint?)
    • os.eraseFile(key, url, endpoint?)
    • os.recordEvent(key, eventName, endpoint?)
    • os.countEvents(recordName, eventName, endpoint?)