Updated techwonen.json

[adithyanandakumar]

Added a new techwomen - Grace Hopper

✍️ Updated techwomen.json

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📝 Description:

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🤔 Reason for PR & what it fixes/accomplishes:

Fixes Issue #19

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ℹ️ Types of changes:

• [x] General (misc updates, features, fixes, etc.)
• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

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☑️ Checklist:

• [x] I have checked my code and corrected any misspellings.
• [x] I have performed a self-review of my own code.
• [x] I have commented my code, particularly in hard-to-understand areas.
• [x] My changes generate no new warnings.
• [x] My change requires a change to the documentation.
• [x] *I have updated the documentation accordingly. (if applicable)**
• [x] My code follows the style guidelines of this project (if applicable)

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