[Notification Template API] API Implementation

[RushanNanayakkara]

Purpose

Introduce Notification Template API which supports template operations for all available notification channels. (Email, SMS)

Release note

${Product} now provides the support to manage and update your notification templates through a single API. This API introduces support for SMS template management and supports email template management as well.

Documentation

Automation tests

• Unit tests

  Code coverage information

• Integration tests

  Details about the test cases and coverage

Samples

Provide high-level details about the samples related to this feature

Related Issues

• https://github.com/wso2-enterprise/asgardeo-product/issues/25122

Related PRs

• [Notification Template API] Event Handler Implementation wso2-extensions/identity-event-handler-notification#250 [Dependent]
• [Notification Template API] Add notification template management functions wso2-extensions/identity-governance#832 [Dependent]
• [Notification Template API] Add Notification Template API Resource carbon-identity-framework#5784

Learning

Describe the research phase and any blog posts, patterns, libraries, or add-ons you used to solve the problem.