Add Admin and Form Configuration Support

[devondragon]

Add an admin interface, secured with username and password, which allows the creation and configuration of Forms (id, notification email, email notification on/off, one submission per IP restriction on/off, etc..).

Also add the form submission handling support of all those configuration values.

[create-issue-branch]

Branch issue-1-Add_Admin_and_Form_Configuration_Support created!

[devondragon]

Note to look at https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_s3_deployment-readme.html#data-with-deploy-time-values for configuring Cognito info for Admin