wip: add blog how to use git flow and what's the benefit?

[ifirmawan]

Brief summary

Added blog post: Git flow benefit dan cara kerjanya

[netlify[bot]]

✅ Deploy Preview for teknum ready!

Name	Link
🔨 Latest commit	915f247a385c3b316f0c95eeac79ea06573018a3
🔍 Latest deploy log	https://app.netlify.com/sites/teknum/deploys/652f473980599b0008ba5627
😎 Deploy Preview	https://deploy-preview-147--teknum.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.

[herlangga72]

Are u sure about the content in it? The text seems cutoff

[aldy505]

Are u sure about the content in it? The text seems cutoff

Masih draft ternyata