feat/orchid: new documentation structure

[kbdharun]

1. Introduction to Vanilla OS
2. Structure of Vanilla OS (Images, tools)
3. Docs about specific tools (manpage)
4. Full Changelogs for major versions

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Excerpts from the recent meeting regarding new docs.

Edit. This is a tracking issue like https://github.com/Vanilla-OS/handbook/issues/104, feel free to add your suggestions related to the new core documentation here.

[Malix-Labs]

I think a documentation page/section that defines terms is needed for each part of the system

For example, with vib:

what is:

• OCI
• Image
• Containers / Containerization / Containerized
• podman (and its relationship with docker, and why you chose podman over docker)

and also

• Flatpak (including "Sandbox / Sandboxing" the relationship of those term with container)

which is a mainstreamly used software in Linux that could not be clear for the average user

and only THEN, define

• vib

While also adding why vib uses an image builder which is a feature included in podman

[Malix-Labs]

Also, about VanillaOS directly, I think it would be a good idea to discloses that VanillaOS doesn't run itself in a container.

I've seen someone said that online, so that might be something to clarify