fix(mongodb-example): Ensure instrumentation is setup before mongoDB client is import (#1851)

I wasn't getting any MongoDB info, turned on diag logging and it warned the client was being imported before instrumentation was setup...reordered the imports and started to get spans!

Co-authored-by: Amir Blum <[email protected]>

Author: NicholasGWK

plugins/node/opentelemetry-instrumentation-mongodb/examples/src/server.ts

@@ -2,10 +2,10 @@ import * as api from '@opentelemetry/api';
 
 import { setupTracing } from './tracer';
 
-import { accessDB } from './utils';
-
 setupTracing('example-mongodb-server')
 
+import { accessDB } from './utils';
+
 import * as http from 'http';
 import { IncomingMessage, ServerResponse } from 'http';
 import * as mongodb from 'mongodb';