Test os 3

[aarav0012]

OS-3 Notification Module

Proposed changes

Add new announcement setup
Add new global announcement table
Add RSPC notification API
Add email-notification setup

Brief description of what is fixed or changed

Added a new create announcement structure which can create announcement for a certain groups of people and for all.
Add a global announcement table
Added a new notification API for RSPC module

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Other (please describe):

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have created new branch for this pull request
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• My changes does not break the current system and it passes all the current test cases.