Merge github changes and update ignore settings

Author: EmmaQiaoCh

.gitignore

@@ -65,3 +65,18 @@ hps_tf/merlin_hps.egg-info/
 hps_torch/_skbuild
 hps_torch/dist/
 hps_torch/merlin_hps.egg-info/
+.gitlab/
+ci/benchmark/
+ci/common/
+ci/draco-oci/
+ci/dracorno/
+ci/integration_test/
+ci/post_test/
+ci/selene/
+ci/utest/
+ci/benchmark.yml
+ci/common.yml
+ci/release.yml
+ci/rules.gitlab_ci.yml
+ci/template.yml
+.gitlab-ci.yml