Add scoop installer instructions

[littleli]

Add local installation instruction using

• manual
• scoop on windows
• open mac os x section, todo for now

[netlify[bot]]

✅ Deploy Preview for laughing-saha-bb44e9 ready!

Name	Link
🔨 Latest commit	8cd2b04cc6da3fd31cc6c84c949680a233908d9e
🔍 Latest deploy log	https://app.netlify.com/sites/laughing-saha-bb44e9/deploys/64cfeee80641c50007d3814d
😎 Deploy Preview	https://deploy-preview-186--laughing-saha-bb44e9.netlify.app/
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[lvca]

Awesome, thanks!