Change ADD to point to requirements file

Pointing to the python file was not needed as it's already pulled into the correct folder

Dockerfile

@@ -4,6 +4,8 @@ WORKDIR /subgen
 
 RUN apt-get update && apt-get -y install python3 python3-pip
 
+ADD https://raw.githubusercontent.com/McCloudS/subgen/main/subgen/requirements.txt /subgen/requirements.txt
+
 RUN pip install -r requirements.txt
 
 ENTRYPOINT ["python3"]