I 167 pushnotification donation

[Biplob14]

Resolves #

217 & #167

Used when the changes in the pull request indirectly resolve another issue.

• [x] Does not depend on other PRs
• [ ] Depends on other PR being merged first: #

What kind of change does this PR introduce (check at least one)

• [ ] Bugfix
• [x] Improvement
• [x] New feature
• [ ] Refactor
• [ ] Infrastructure
• [ ] Other (please specify)

How would you describe the changes in a changelog (1-2 lines)?

Push notification implementation for blood donation request.

Related Issues/PRs (optional)

Link to the relevant issue(s) or provide a clear description of the problem or feature being addressed.

How to test

• [ ] Needs regression testing (add QA needed label)

Checklist

• [x] I have tested these changes locally and they function as expected.
• [ ] I have added or updated necessary documentation to reflect the changes.
• [x] I have followed the project's coding style and guidelines.
• [ ] I have added appropriate test coverage to ensure the changes are functioning correctly.
• [x] I have checked for any potential conflicts with other branches or pull requests.
• [ ] I have updated necessary OpenAPI specs

Reviewer Request (optional)

Screenshots (optional)

If applicable, provide any additional screenshots or GIFs that showcase the changes made in this pull request.

Demo Link (optional)

Known Issues (optional)

Additional Notes (optional)

Navigation on screen are statically typed for now. Making it dynamic is under progress on different PR

Deploy risk & follow up

• [x] No risk
• [ ] Low
• [ ] High