Add stubs for flake8_rst_docstrings (#7029)

stubs/flake8-rst-docstrings/METADATA.toml

@@ -0,0 +1 @@
+version = "0.2.*"

stubs/flake8-rst-docstrings/flake8_rst_docstrings.pyi

@@ -0,0 +1,29 @@
+import ast
+from argparse import Namespace
+from collections.abc import Container
+from typing import Any, Generator
+
+rst_prefix: str
+rst_fail_load: int
+rst_fail_lint: int
+code_mapping_info: dict[str, int]
+code_mapping_warning: dict[str, int]
+code_mapping_error: dict[str, int]
+code_mapping_severe: dict[str, int]
+code_mappings_by_level: dict[int, dict[str, int]]
+
+def code_mapping(
+    level: int, msg: str, extra_directives: Container[str], extra_roles: Container[str], default: int = ...
+) -> int: ...
+
+class reStructuredTextChecker:
+    name: str
+    version: str
+    tree: ast.AST
+    filename: str
+    def __init__(self, tree: ast.AST, filename: str = ...) -> None: ...
+    @classmethod
+    def add_options(cls, parser: Any) -> None: ...
+    @classmethod
+    def parse_options(cls, options: Namespace) -> None: ...
+    def run(self) -> Generator[tuple[int, int, str, type[reStructuredTextChecker]], None, None]: ...