Ignore generated files
Ignore generated files

Ignore:

generated nodeJs modules and the lock file.
generated java files.
generated output files with the .out extension
during manual and test
runs.

Closes #2175 from HappyRay/update-gitignore

shirshanka/gobblin,aditya1105/gobblin,jinhyukchang/gobblin,pcadabam/gobblin,pcadabam/gobblin,arjun4084346/gobblin,aditya1105/gobblin,abti/gobblin,jack-moseley/gobblin,jack-moseley/gobblin,jack-moseley/gobblin,abti/gobblin,jinhyukchang/gobblin,jinhyukchang/gobblin,aditya1105/gobblin,linkedin/gobblin,arjun4084346/gobblin,pcadabam/gobblin,abti/gobblin,shirshanka/gobblin,jinhyukchang/gobblin,linkedin/gobblin,arjun4084346/gobblin,ibuenros/gobblin,abti/gobblin,ibuenros/gobblin,linkedin/gobblin,aditya1105/gobblin,linkedin/gobblin,aditya1105/gobblin,jack-moseley/gobblin,linkedin/gobblin,aditya1105/gobblin,shirshanka/gobblin,ibuenros/gobblin,abti/gobblin,shirshanka/gobblin,ibuenros/gobblin,pcadabam/gobblin,jinhyukchang/gobblin,linkedin/gobblin,ibuenros/gobblin,pcadabam/gobblin,abti/gobblin,ibuenros/gobblin,jinhyukchang/gobblin,shirshanka/gobblin,pcadabam/gobblin,jack-moseley/gobblin,arjun4084346/gobblin,arjun4084346/gobblin