fix: trigger stock search on Enter

[Ambu-2005]

Issue Title

[BUG] Search functionality doesn't trigger on Enter key

Contributor Details

• Name: Ambadas Kamainor
• GitHub ID: Ambu-2005
• LinkedIn Username (for appreciation): ambadas-kamainor
• LinkedIn Profile URL (for verification): www.linkedin.com/in/ambadas-kamainor
• Email ID (for communication): ambadaskamainor@gmail.com
• Participation Program (if any): OSCI'26

Closes

Closes #216

Describe Your Changes

• Added Enter key handling to the stock search input.
• Pressing Enter now triggers the existing handleSearch function.
• Existing Search button functionality remains unchanged.

Screenshots

Tested the search functionality using TCS.NS.
Pressing Enter successfully navigated to the TCS.NS stock analysis page.

what are the files you have changed

• src/components/StockList.jsx

How Has This Been Tested?

• Started the application locally using npm start.
• Entered TCS.NS in the search input.
• Pressed Enter.
• Verified that the application navigated to the TCS.NS stock analysis page.
• Verified that the existing Search button functionality remains available.

Type of Change

• Bug fix (fixes an existing issue)

Checklist

• My code follows the project’s guidelines and best practices.
• I have performed a self-review of my code.
• I have added meaningful comments where necessary.
• I have updated documentation wherever applicable.
• My changes do not generate any new warnings or errors.
• I have included screenshots, graphs, or test logs (if applicable).
• Any dependent changes have been merged and documented.

[github-actions]

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