Akshith - Added event database design navigation to activity dropdown

[akshith312]

Description

Related PRS (if any):

This frontend PR is not related to any other PR.
…

Main changes explained:

• Added Navigation to Event Database Design in Community Portal
• Navigation added in the Activity Dropdown visible on the header.

How to test:

1. check into current branch
2. do npm install and npm run start:local to run this PR locally
3. Clear site data/cache
4. login as any user
5. go to dashboard→ https://localhost:5173/communityportal
6. Click on the Activity Dropdown and check for the Event Database Design
7. Check if Event Database Design navigates to communityportal/database/design
8. Check in both light and dark modes.

Screenshots or videos of changes:

Screen.Recording.2026-02-04.120523.mp4

Note:

Include the information the reviewers need to know.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud