There should be 2 more buttons on manage broadcasts card Added

[Hemu21]

Issue that this pull request solves

Issue Link resolve #1015
Closes: #1015

Brief description of what is fixed or changed

There should be 2 more buttons on manage broadcasts card - approve and reject. If a broadcast gets rejected, it is getting deleted from the db.

Types of changes

Put an x in the boxes that apply

• 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)
• Documentation update (Documentation content changed)
• Other (please describe):

Checklist

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• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• 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.

[Hemu21]

@Kajol-Kumari can you please check and merge.