Added contact info and "add items" to donation

[sanjanachecker]

Developer: Sanjana Checker and Vasanth Pugalenthi

Pull Request Summary

We have added contact info and a button to add more items.

Pull Request Checklist

• [ x] Code is neat, readable, and works
• [ x] Comments are appropriate
• [ x] The commit messages follows our guidelines
• [ x] The developer name is specified
• [ x] The summary is completed
• [ x] Ask for a review in communication channels

Reviewer Checklist - PULL REQUEST REVIEWER ONLY

IMPORTANT: The rest of the sections in this checklist should only be filled out by authorized pull request reviewers. If you are the individual contributor, do not fill out the rest of the fields or check the boxes.

Reviewer: Full Name

NOTE: Pull requests should only be merged when all boxes are checked.

• Assign yourself as reviewer if not assigned
• The reviewer name is specified
• The code is fully reviewed
• Meaningful feedback is given
• Let developer know a review has been made