chore(datacatalog): change spacing in docs templates (via synth)

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Log from Synthtool

synthtool > Executing /tmpfs/src/git/autosynth/working_repo/datacatalog/synth.py.
synthtool > Ensuring dependencies.
synthtool > Pulling artman image.
latest: Pulling from googleapis/artman
Digest: sha256:545c758c76c3f779037aa259023ec3d1ef2d57d2c8cd00a222cb187d63ceac5e
Status: Image is up to date for googleapis/artman:latest
synthtool > Cloning googleapis.
synthtool > Running generator for google/cloud/datacatalog/artman_datacatalog_v1beta1.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/datacatalog-v1beta1.
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/datacatalog/v1beta1/timestamps.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/datacatalog-v1beta1/google/cloud/datacatalog_v1beta1/proto/timestamps.proto
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/datacatalog/v1beta1/schema.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/datacatalog-v1beta1/google/cloud/datacatalog_v1beta1/proto/schema.proto
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/datacatalog/v1beta1/tags.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/datacatalog-v1beta1/google/cloud/datacatalog_v1beta1/proto/tags.proto
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/datacatalog/v1beta1/table_spec.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/datacatalog-v1beta1/google/cloud/datacatalog_v1beta1/proto/table_spec.proto
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/datacatalog/v1beta1/search.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/datacatalog-v1beta1/google/cloud/datacatalog_v1beta1/proto/search.proto
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/datacatalog/v1beta1/gcs_fileset_spec.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/datacatalog-v1beta1/google/cloud/datacatalog_v1beta1/proto/gcs_fileset_spec.proto
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/datacatalog/v1beta1/datacatalog.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/datacatalog-v1beta1/google/cloud/datacatalog_v1beta1/proto/datacatalog.proto
synthtool > Placed proto files into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/datacatalog-v1beta1/google/cloud/datacatalog_v1beta1/proto.
synthtool > Replaced '__doc__ = """Attributes:' in google/cloud/datacatalog_v1beta1/proto/datacatalog_pb2.py.
synthtool > Replaced '__doc__ = """Attributes:' in google/cloud/datacatalog_v1beta1/proto/tags_pb2.py.
.coveragerc
.flake8
MANIFEST.in
docs/_static/custom.css
docs/_templates/layout.html
noxfile.py.j2
setup.cfg
Running session blacken
Creating virtual environment (virtualenv) using python3.6 in .nox/blacken
pip install black==19.3b0
black docs google tests noxfile.py setup.py samples
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/gapic/enums.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/gapic/transports/data_catalog_grpc_transport.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/gapic/data_catalog_client_config.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/gcs_fileset_spec_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/gcs_fileset_spec_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/schema_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/schema_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/datacatalog_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/search_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/search_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/table_spec_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/table_spec_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/tags_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/timestamps_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/timestamps_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/gapic/data_catalog_client.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/types.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/noxfile.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/samples/v1beta1/datacatalog_get_entry.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/samples/v1beta1/datacatalog_lookup_entry.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/samples/v1beta1/datacatalog_lookup_entry_sql_resource.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/samples/v1beta1/datacatalog_search.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/tags_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/tests/unit/gapic/v1beta1/test_data_catalog_client_v1beta1.py
reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/datacatalog_pb2.py
All done! ✨ 🍰 ✨
28 files reformatted, 14 files left unchanged.
Session blacken was successful.
synthtool > Cleaned up 2 temporary directories.
synthtool > Wrote metadata to synth.metadata.