Update the contributing guides

[Numerlor]

On windows, docker is now handled through docker desktop which already comes with compose installed making the docker compose requirement for the projects extraneous on the platform.

In https://pythondiscord.com/pages/contributing/hosts-file/, the guide refers windows users to use the docker-machine ip defualt command, which is no longer available with docker desktop.
The IP used by docker is stored in the hosts file which needs to be edited anyway so the guide can direct there for it. Or the IP is already pointed at by host.docker.internal in the hosts file which could also be added to the site's allowed hosts and used instead of the pythondiscord.local domain name. This will also keep everything working in case docker decides to change it. The docker domain name is not available on linux docker/for-linux#264

The mac docker environment also seems to have been changed but I don't have a way of looking at that

[Akarys42]

Alright, I'll take a good look at the contributing guides when smartconfig will be ready. In the meantime, feel free to report us everything you think is missing on those guides.

[m-spitfire]

I tried to run docker with my 5 years old 4GB RAM computer, but it just didn't worked, it was too heavy for computer, the sound of fan just maximized, so I needed to stop it. So you may include something like this to contributing guides with docker

If your computer's RAM is not enough for running multiple containers at the same time, do not try to run them.
The computer might crash or can be really slow, so try to do it with traditional way.

[hedyhli]

Add example .env file to seasonal bot guide
The guide for python bot has the example .env with all the keys with example values in it, which is useful, because one can just copy/paste and replace the values, but in the seasonal-bot development environment section, there's no example .env and one would have to copy each of the keys and the = manually.

[m-spitfire]

Improve hosts file guide
In the configuring the hosts file guide, add that you need to install docker-machine separately from docker-desktop i.e. the docker-desktop does not include docker-machine. The docker-machine is needed for knowing host ip in Mac and Windows. You can add requirements to here

[Numerlor]

Information about the redis setup should be added to the bot guide

[RohanJnr]

https://pythondiscord.com/pages/contributing/sir-lancebot/#development-environment
We should also include USE_FAKEREDIS in the additional env variables section of @sir-lancebot
As sometimes, we won't be running the project with docker(if we want to use a debugger, etc).

[RohanJnr]

https://pythondiscord.com/pages/contributing/sir-lancebot/#development-environment
Can we have a copy-paste format for the env variables on Lancebot contribution guide

Example: https://pythondiscord.com/pages/contributing/bot/#environment-variables

[Akarys42]

Let’s gather all the default URLs for a working docker setup, here is what we have so far:

• urls.snekbox_eval_api: http://snekbox:8060/eval

Feel free to edit if you have more!

[sebkuip]

As per Akarys request to make a comment:
Add to the guidelines on exactly how a document should be formatted. Right now they only state "run pre-commit", which can return "passed" or "failed". With no pointers to either the erroring line or the correct formatting, it can be very frustrating to fix the failed pre-commit.