feat: Normalized server logging (#2567)

* feat: Normalize logging

* Remove scattered console.error + Sentry.captureException

* Remove mention of debug

* cleanup dev output

* Edge cases, docs

* Refactor: Move logger, metrics, sentry under 'logging' folder.
Trying to reduce the amount of things under generic 'utils'

* cleanup, last few console calls

server/utils/authentication.js

@@ -1,9 +1,9 @@
 // @flow
 import querystring from "querystring";
-import * as Sentry from "@sentry/node";
 import { addMonths } from "date-fns";
 import { type Context } from "koa";
 import { pick } from "lodash";
+import Logger from "../logging/logger";
 import { User, Event, Team, Collection, View } from "../models";
 import { getCookieDomain } from "../utils/domains";
 
@@ -37,8 +37,8 @@ export async function signIn(
           ["ref", "utm_content", "utm_medium", "utm_source", "utm_campaign"]
         );
         await team.update({ signupQueryParams });
-      } catch (err) {
-        Sentry.captureException(err);
+      } catch (error) {
+        Logger.error(`Error persisting signup query params`, error);
       }
     }
   }