feat: add alert, form button from shadcn and create new template with…

[lilbobb]

… html page

Description

**Closes #2 **

Changes proposed

What were you told to do?

Create the Page for Generating New Email Template with HTML found in the Super Admin Email Management Dashboard

What did you do?

I have implemented the GenerateEmailTemplate component with shadcn-ui form, input, button, alert components, and Breadcrumbs, allowing users to input an HTML link to generate a new email template and view tips, with redirection to a preview page on success.

Check List (Check all the applicable boxes)

🚨Please review the contribution guideline for this repository.

• My code follows the code style of this project.
• This PR does not contain plagiarized content.
• The title and description of the PR is clear and explains the approach.
• I am making a pull request against the dev branch (left side).
• My commit messages styles matches our requested structure.
• My code additions will fail neither code linting checks nor unit test.
• I am only making changes to files I was requested to.

Screenshots/Videos