[host] Fix the Installation documentation

[heysokam]

• Add more links to the Control center
• Mac install out of date
• Remove old docker instructions
  Done as part of the Hosting Cleanup PR

Sketch/Reference: MacOS instructions improvement

- Install Homebrew
- brew install nvm
- nvm install node
- Install Docker-Desktop
- Open Docker-Desktop (You don't have to sign in)
- git clone engine
- npm install
- npm run dev-reinit
- npm run dev
- Accept security certs on  
  :3000
  :9000
  :3030