Create custom layouts

[gderber]

• [x] Programming
• [x] Home Assistant Config
• [x] Ansible Inventories
• [x] Ansible Collections

References:

• https://dev.to/rajasegar/a-guide-to-create-tmux-like-custom-layouts-in-spacemacs-4j9p
• https://www.youtube.com/watch?v=I2C6QTtxfe8
• https://github.com/rajasegar/awesome-spacemacs