Add .gitignore file
Add .gitignore file

Change-Id: I034d268806dfebf53769003ff6a30723404e8124

googleworkspace/cloud-search-samples,gsuitedevs/cloud-search-samples,googleworkspace/cloud-search-samples,googleworkspace/cloud-search-samples,gsuitedevs/cloud-search-samples,gsuitedevs/cloud-search-samples