feat(cat-voices): campaign categories - discovery page

[LynxLynxx]

Description

Campaign categories card in grid view but I'm thinking if wrap wouldn't be better?

Related Issue(s)

Closes #1549

Description of Changes

• adding new card widget
• adding new ViewModel
• creating gridview for categories cards

Screenshots

Please confirm the following checks

• My code follows the style guidelines of this project
• I have performed a self-review of my 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
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream module

[github-actions]

✅ Test Report | ${\color{lightgreen}Pass: 443/443}$ | ${\color{red}Fail: 0/443}$ |

[dtscalac]

Suggested change

	List.generate(
	6,
	(index) => CampaignCategoryCardViewModel.dummy(),
	List.filled(
	6,
	CampaignCategoryCardViewModel.dummy(),

[dtscalac]

Can we use CryptocurrencyFormatter?