added code-editor

[VaishnaviMankala19]

Closes: #385

• Title : Code-Editor
• Name: : MANKALA VAISHNAVI
• Idenitfy yourself: : gssoc

Describe the add-ons or changes you've made 📃

I have added code-editor in vanilla.js > intermediate , updated readme and database

How Has This Been Tested? ⚙️

Screenshots 📷

Type of change ☑️

What sort of change have you made:

• [x] New feature (non-breaking change which adds functionality)

Checklist: ☑️

• [x] My code follows the Contributing Guidelines & Code of Conduct of this project.
• [x] This PR does not contain plagiarized content.
• [x] I have performed a self-review of my own code.
• [x] I have commented my code, particularly wherever it was hard to understand.
• [x] My changes generate no new warnings.

Note to reviewers 📄

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Name	Status	Preview	Comments	Updated (UTC)
web-master-log	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 25, 2024 5:21pm

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