[FEATURE] [FRONTEND] Gamification badge leaderboard

[0xMurage]

Describe the user story:

As a user, I should be able to publish earned badges for public sharing. Published badges should also appear on a Wikonnect leaderboard.

Tasks (where applicable)

• Fetch and list user's earned badges on a private page
• Add logic for a user to publish badges so they can be shared with the public
• Add a public achievements view that lists individual publicly shared badges.
• Add a view and logic for Wikonnect leaderboard (public badges only)
• Notify a user when they earn a badge*

Tests (where applicable)

• User can view all their earned badges on a private page
• Only published for share badges are available publicly
• Only publicly shared badges are shown on Wikonnect leaderboard
• Visual indicator is shown once they earn a badge *

Acceptance Criteria

• A leaderboard that lists people with the most points and what badges
• Earned badges should be private until the user decides to share with the public
• Users can publish their badges to be available publicly

Screenshots where applicable

[brianmarete]

This is being worked on in this branch