docs: update arch installation

[Integral-Tech]

Background

The Arch Linux section in Quick Start Guide is incomplete.

Checklist

• [x] The Pull Request has been fully tested
• [ ] There's an entry in the CHANGELOGS
• [ ] There is a user-facing docs PR against https://github.com/daeuniverse/dae

Full Changelogs

• Add dae-git & dae-bin-x64-v3 in Arch Linux section of Quick Start Guide