Add vanilla os and aeon setup instructions

[twihno]

fixes #3699

@mirkobrombin @sysrich What's your opinion on this description? As mentioned in #3699 I think it would be nice to explicitly state that there is no setup needed for using flatpak/flathub in these distros.

Should it be explicitly mentioned that flathub is the preconfigured remote?

[mirkobrombin]

Speaking for Vanilla OS here. As you said, both Flatpak and Flathub are pre-configured in Vanilla OS. But I would also mention the steps to install Flathub in case something went wrong. We documented it here.

Also thanks for the PR.

[kbdharun]

Thanks for documenting Vanilla OS, LGTM after Mirko's suggestion.

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If possible can you include a smaller/lighter version of our logo (will request one from @mirkobrombin) since the other distro logo image assets are much smaller and lightweight.

[razzeee]

We're only syncing our instructions from https://github.com/flatpak/flatpak.github.io so please add these there for now

[twihno]

Apparently I'm unable to see the difference between flatpak/flatpak.github.io and flathub-infra/website in the build script. Will open another PR in the other repo

[razzeee]

Apparently I'm unable to see the difference between flatpak/flatpak.github.io and flathub-infra/website in the build script. Will open another PR in the other repo

I'm not sure I get what you're hinting at

[twihno]

TL;DR: I'm stupid

I opened the build script and removed the 4 lines related to fetching the current distro yaml from the flatpak/flatpak.github.io repo

1. because I didn't properly read the name of the git repo and thought it would be pulling the current version from flathub-infra/website
2. i wanted to use my current changes

If I had properly read the build script I would have noticed that it wants to pull the distro config from flatpak/flatpak.github.io and that that that repo contains the "source of truth" for the setup instructions

[razzeee]

FYI I want to change the source here, but will likely do that after you've landed everything. (if I even find the time)

flatpak/flatpak.github.io#674

[kbdharun]

FYI I want to change the source here, but will likely do that after you've landed everything. (if I even find the time)

flatpak/flatpak.github.io#674

Hi, our changes has landed upstream.