Leaderboard Demo Missing Dependency

[curran]

When I tried to run the leaderboard demo, I noticed that sharedb-mingo-memory is required in server/index.js, but is not in package.json.

[curran]

I believe this will also close #89

[sshadmand]

Following the intsall/run instructions in example/leaderboard gives me some errors in the browser:

[sshadmand]

Got it working:

Make sure you are in the right directory and then run

> npm install
> npm update
> npm run build
> npm start