feat/orchid: new handbook structure

[kbdharun]

1. Getting Started/About
2. Installation Guide (Automatic, Manual)
3. Separate Guides for Installing in VM
4. First Setup
5. Updates, Upgrades & Rollbacks (Add a screenshot of Rollback Utility) [Add info on how to reset a VSO subsystem]
6. How to install applications in GNOME Software
7. How to install additional applications (VSO, Apx, Homebrew)
8. How to use PRIME profiles in NVIDIA hardware
9. Difference between opening the terminal in Vanilla OS and other distributions
10. How to install additional drivers manually (ABRoot pkg, custom image [mention about the Vib collection])
11. How to use accessibility features in Vanilla OS
12. How to on Vanilla OS [Instead of focusing on specific guides for packages, group various package guides based on
    category i.e. Gaming]

• How to develop in Vanilla OS (Apx GUI)

13. How to connect and use in Vanilla OS. (post stable)
14. How to connect and use Online Accounts in Vanilla OS.
15. How to use Vanilla OS remotely.

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Excerpts from the recent meeting regarding new docs.

Edit. This is a tracking issue like Vanilla-OS/documentation#112, feel free to add your suggestions related to the new guides here.