Start with assuming people will be repeat donors

[NathanWEdwards]

User stories:

• As a standard user having already donated, I would like to create a donation again
• As a user with an administrator account, I would like to facilitate the creation of multiple donations with the account
• As a volunteer, I need to be able to submit and process multiple donations a day within the application

Acceptance criteria:

• A user with donor access can submit multiple donation forms

Pull Request 1 introduces a Firebase Firestore Donation and Donation Details collection for storing donation information.

The donation creation process allows users with a donor claim to create donations.

Pull Request 43 permits users to create donations from the site landing page and the Donation page.