SP-21987: Add healthz method

Author: GubinAlexander

example/example.py

@@ -24,6 +24,8 @@
         "X-CLIENT-KEY": "123",
         "Authorization": "Bearer 123"
     }
+    healthz_response = api.get_healthz()
+
     params = ProcessParams(already_cropped=True, scenario=Scenario.FULL_PROCESS)
 
     # Add license to request
@@ -86,6 +88,7 @@
                     Document Number Visual: {doc_number_visual}
                     Document Type: {response.result_by_type(result_type=Result.DOCUMENT_TYPE).one_candidate.document_name}
                     Validity Of Document Number Visual: {doc_number_visual_validity}
+                    License id: {healthz_response.license_id}
     """)
 
     print("-----------------------All Text Fields------------------------")

regula/documentreader/webclient/ext/api/document_reader_api.py

@@ -1,4 +1,3 @@
-import base64
 from typing import Union
 
 from regula.documentreader.webclient import ProcessResponse
@@ -35,6 +34,9 @@ def set_configuration(self, configuration) -> None:
     def process(self, process_request: ProcessRequest) -> RecognitionResponse:
         return RecognitionResponse(self.api_process(process_request))
 
+    def get_healthz(self, **kwargs):
+        return self.healthz(**kwargs)
+
     def deserialize_to_recognition_response(self, content: Union[bytes, bytearray, str]) -> RecognitionResponse:
         response = self.__to_response_object(content)
         response = self.api_client.deserialize(response, ProcessResponse)