Add suppress_publish field to Example meta.

Author: Laren-AWS

aws_doc_sdk_examples_tools/metadata.py

@@ -161,6 +161,7 @@ class Example:
     doc_filenames: Optional[DocFilenames] = field(default=None)
     synopsis_list: List[str] = field(default_factory=list)
     source_key: Optional[str] = field(default=None)
+    suppress_publish: Optional[bool] = field(default=False)
 
     def fill_display_fields(self, categories: Dict[str, Category], service, action):
         category = self.choose_category(categories)

aws_doc_sdk_examples_tools/yaml_writer.py

@@ -50,6 +50,7 @@ def prepare_write(examples: Dict[str, Example]) -> Dict[str, str]:
     # "doc_filenames", # These are currently generated, and don't need to be stored.
     "source_key",
     "category",
+    "suppress_publish",
     "languages",
     "service_main",
     "services",