Add voice, Change yml, Change media

Dockerfile

@@ -1,11 +1,9 @@
 FROM python:3.6
 
-MAINTAINER Marco Thomas
-
 RUN mkdir /aquabot-docker
 WORKDIR /aquabot-docker
 COPY . /aquabot-docker
 
 RUN pip install --user -r requirements.txt
 
-CMD ["python", "aquabot.py"]
+CMD ["python3", "aquabot.py"]