add obs 3rd party python sdk

Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: tischrei <tino.schreiber@t-systems.com>
Co-committed-by: tischrei <tino.schreiber@t-systems.com>

otc_metadata/data/documents/obs_3rd_party-python-sdk.yaml

@@ -0,0 +1,10 @@
+---
+hc_location: sdk/python-devg-obs
+html_location: docs/obs_3rd_party/python_sdk
+link: /object-storage-service-3rd-party/python-sdk/
+pdf_enabled: false
+pdf_environment: public
+rst_location: doc/python-sdk/source
+service_type: obs_3rd_party
+title: Python SDK
+type: 3rd_party_sdk

otc_metadata/data/services/obs_3rd_party.yaml

@@ -0,0 +1,16 @@
+---
+environment: internal
+repositories:
+- environment: internal
+  repo: docs/object-storage-service-3rd-party
+  type: gitea
+- environment: public
+  repo: opentelekomcloud-docs/object-storage-service-3rd-party
+  type: github
+service_category: storage
+service_title: Object Storage Service 3rd Party
+service_type: obs_3rd_party
+service_uri: object-storage-service-3rd-party
+teams:
+- name: docs-storage-rw
+  permission: write