Change marddown to richtext editor and renderer

[Deepthi-Chand]

Pull Request

Description

Refer to documentation for more details

Type of Change

• 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
• Code refactoring
• UI/UX improvements

Changes Made

• Added support to Rich editor for usecase and collaborative summary fields
• change renderar
• remove support for markdown

Testing

• I have tested this change manually

Test Instructions

Refer to documentation