Add author name to new submission notification.

Send email digest for activities in Hypha for org level staff

Enhance Supporting Documents upload

Rename "Manage" to "Project" and move "Project Approval Forms" to "Project"

Make user e-mail field case insensitive to prevent multiple account with same email

https://www.iana.org/assignments/auto-submitted-keywords/auto-submitted-keywords.xhtml

Use translations for email

Add a settings to make finance2 workflow optional

Fix missing i18n tag in the fund template

closes #3001

Add a templates_custom dir to make it easy to override templates.

Fix some strings that was not translateble.

Show Linked forms to funds and labs on their listing pages

Updated to Django 3.2.16.

Add error message for PAF not configured condition

Improve the look of SingleIncludeBlock's static field

Move SendNoticeBlock to required blocks

- create is_user_already_registered func
- raise error during application submissions when
  not logged in if user provides an email that is 
  present in multiple account.