feat: medusa-telemetry (#328)

* feat: adds a telemetry package to collect anonymous usage data

* fix: update telemetry host

* fix: adds medusa telemetry --disable

* fix: add tracking of link,login,new

* fix: interactively collect db credentials

* fix: require seed file

* fix: removes tracking from reporter

packages/medusa-telemetry/.npmignore

@@ -0,0 +1,9 @@
+src
+.prettierrc
+.env
+.babelrc.js
+.eslintrc
+.gitignore
+ormconfig.json
+tsconfig.json
+jest.config.md