Add Telemetry (#466)

* Telemetry v1

* Add package-lock.json to gitignore

server/src/utils/anonymize.ts

@@ -0,0 +1,9 @@
+import crypto from 'crypto';
+
+export function anonymize(input) {
+  if (process.env.IS_TELEMETRY_ANONYMIZATION_ENABLED === 'false') {
+    return input;
+  }
+  // md5 shorter than sha-256 and collisions are not a security risk in this use-case
+  return crypto.createHash('md5').update(input).digest('hex');
+}