message: http logging
diff: import Koa from 'koa';
  +import logger from '@cardstack/logger';
  +const log = logger('cardstack/server');
  export async function makeServer() {
  - return new Koa();
  + let app = new Koa();
  + app.use(httpLogging);
  + return app;
  +}
  +
  +async function httpLogging(ctxt: Koa.Context, next: Koa.Next) {
  + log.info('start %s %s', ctxt.request.method, ctxt.request.originalUrl);
  + await next();
  + log.info('finish %s %s %s', ctxt.request.method, ctxt.request.originalUrl, ctxt.response.status);
  }
  