docs(bootcamp): change the broken link in the section "State Management in Vanilla JS - DEV"

[ArtiNabiullin]

Fixed a broken link: change the broken link in the section "State Management in Vanilla JS - DEV"

🤔 This is a

• 🌟 New task
• 🌐 New module
• ⚙️ Update to an existing task
• 🔧 Update to an existing module
• 🔗 Update or addition of external resources or links
• 🐛 Fix in a task or related content
• 🛠 Fix in a module or related content
• ✏️ Fixed a typo or grammatical error
• [✓] 🔗 Fixed a broken link
• ❓ Other (specify: ****____****)

Description

• Brief Overview:
  Replacing a broken link in the section "State Management in Vanilla JS - DEV" with a useful and, in my opinion, informative one.

Additional Information

• Screenshots/Links:
  
  https://dev.to/godofgeeks/state-management-in-vanilla-js-51dg

Checklist

• ✅ I have performed a self-review of my own code.
• 📝 I have commented my code, particularly in hard-to-understand areas.
• 🔧 I have made corresponding changes to the documentation (if applicable).
• 🚫 My changes generate no new warnings or errors.