Improve readability (#18)

*Change the paragraph font family to Times New Roman
*Improve code tag on dark mode
*Minor checkbox fixes
*Increasing margin bottom
*Make header 2, 4, and 6 with opacity 0.8

Create grave version with automated theme mode selector (#15)

Instead of default light mode now there are three files:

grave.css - thats autodetects mode
grave-light.css - thats static light mode
grave-dark.css - tats static dark mode

update package.json version

Create Wordpress theme

Create CNAME

Create gitignore file

Add formspree anti spam input that should be hidden