Updates the current regex based approach for validating redirect urls to
instead use the native URL constructor which is available in browsers and
Node.js and handles several valid cases that were previously not working.
## Description
General enhancements for templates.
## Changes Made
Added the following changes to the template flow:
- Allow adding document meta settings
- Allow adding email settings
- Allow adding document access & action authentication
- Allow adding recipient action authentication
- Save the state between template steps similar to how it works for
documents
Other changes:
- Extract common fields between document and template flows
- Remove the title field from "Use template" since we now have it as
part of the template flow
- Add new API endpoint for generating templates
## Testing Performed
Added E2E tests for templates and creating documents from templates
