General development process

- new cog commands
- new voice cog
- new requirements.txt
- adjusted readme
- added Dockerfile for faster deployment (still WIP)
- other general things

loadconfig.py

@@ -6,4 +6,7 @@ loadconfig.py then gets called in aquabot.py
 
 from config.cogs import __cogs__
 
-from config.config import __token__, __prefix__
+try:
+    from config.config import __token__, __prefix__
+except ImportError as e:
+    print(f"Error while importing: {e}")