Merge pull request 'get count by modelname' (#38) from feature/check-jenkins into master

Reviewed-on: #38

server/root.js

@@ -17,7 +17,16 @@ router.get('/', async (req, res) => {
         </ul>
 
         <h2>models</h2>
-        <ul>${(await mongoose.modelNames()).map((name) => `<li>${name}</li>`)}</ul>
+        <ul>${
+          (await Promise.all(
+            (
+              await mongoose.modelNames()).map(async (name) => {
+                const count = await mongoose.model(name).countDocuments()
+                return `<li>${name} - ${count}</li>`
+              }
+            )
+          )).map(t => t).join(' ')
+        }</ul>
     `)
 })