created a new branch in the CONTRIBUTING.md (#149)

[ghost]

Description

• [x] Added step 4 in the "Setup the Project Locally" section in the CONTRIBUTING file with copy as follow:

4. Create a new branch to work on your changes.

   git checkout -b YOUR-BRANCH-NAME

   Replace "YOUR-BRANCH-NAME" with a descriptive name for your branch — for example, feat/add-submit-button.

• [x] Change number 4 to 5.

What Type of feature

• [ ] 🍕 Feature
• [ ] 🐛 Bug Fix
• [x] 📝 Documentation Update
• [ ] 🎨 Style
• [ ] 🧑‍💻 Code Refactor
• [ ] 🔥 Performance Improvements
• [ ] ✅ Test
• [ ] 🤖 Build
• [ ] 🔁 CI
• [ ] 📦 Chore (Release)
• [ ] ⏩ Revert

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[BekahHW]

@hx4nn I'm going to close this PR since it's not linked to an issue. Please create an issue first.