Add: Logging Endpoint for identifying code loading issues

.gitlab-ci.yml

 include:
   - project: sre/ci-building-blocks
     file: nodejs.yml
-    ref: 3.4.0
 
 unit tests:
   extends: .unit tests

src/routes/log.js

+export default async function logErrors (fastify) {
+  fastify.post('/log', async (req, reply) => {
+    req.log.info({ ...req.body, userAgent: req.headers['user-agent'] })
+    reply.send()
+  })
+}