Moved the bot from python3.7 to python3.9 and changed from discord.py v1.5.1...

Moved the bot from python3.7 to python3.9 and changed from discord.py v1.5.1 to pycord (py-cord) v2.3.2. Removed the settings command, replaced it with the autoshuffle command Added the announcement command Added the feature of song replacements and therefore the commands 'addreplacement', 'deletereplacement' and 'listreplacements'