Fix README.md

[ankitsxchdeva]

Still missing some macos installation steps, copied from notes:
Finder -- use screenshots

Change scroll around
Install developer tools
Remove everything from menubar

Keyboard

• Touchpad settings as screen shorted
• Modifier keys, caps to control

Karabiner elements:

• Settings (backslash replace with delete & vice versa)
• Remove from menubar

Monitor control

• Screenshot settings?

Night shift

• Setup for daily setup.

Firefox:

• Login
• Setup extensions
• Remove extensions
• Compact mode
• Default zoom 80%
• Never show bookmarks
• No sponsor search