Add Plaid To Backend

[isaacgarza]

As a developer, I want to add Plaid integration to the backend so that I can authenticate user bank accounts in order to integrate user financial data into the application.

Acceptance Criteria

• Authentication using the Plaid sandbox credentials is successful
• Retrieving the transaction data for the sandbox credentials is successful

Definition of Done

• Plaid is added to the backend
• The API needed for authentication as well as receiving transactional data is added

[isaacgarza]

Create a template property file and add the properties needed for Plaid

[isaacgarza]

Create the DTOs for Plaid

• PlaidAuth
• PlaidInstitution
• PlaidTransaction

[isaacgarza]

Add the Plaid configuration class

[isaacgarza]

Create a service for all communication with Plaid

[isaacgarza]

Create a controller for interacting with Plaid's services