##master: 
This is going to be a quick and dirty outline of the endpoints that have been created for consumption by the front-end. Emphasis on quick and dirty, at least for now.
The requirements for this project's MVP is as highlighted in this google document here.
- Parts painted green are already implemented
- Parts painted yellow are under development
- Parts un-painted(painted default 😝 ) are up for grabs
To initiate Authentication via slack, create a link/button that opens https://squaredex-api.herokuapp.com/api/auth/slack
Once the user is done giving permission, it would redirect to https://squaredex.herokuapp.com/auth-return with the user's token/credentials.
To authenticate a request, the following headers need to be added to the request: access-token, client and uid. These are to be obtained from the path parameters in the redirect url.
You can call GET https://squaredex-api.herokuapp.com/api/auth/validate_token to validate token
You can call PATCH https://squaredex-api.herokuapp.com/auth to edit the sign in users' details. Params are: name, nickname, github_username. I think, for now, users should only be able to change github_username.
GET https://squaredex-api.herokuapp.com/api/leaderboard gets the top 20 devs/users (sorted by karma) devs on square.
GET https://squaredex-api.herokuapp.com/api/user responds with the current user's details.
POST https://squaredex-api.herokuapp.com/api/karma_request to create a Karma request. Params are: reason, to (UID of user the request is for), project_id.
PATCH https://squaredex-api.herokuapp.com/api/karma_request to update a Karma request (before it's approved or rejected). Params are: reason, to (UID of user the request is for), project_id.