Add peewee playhouse.flask_utils stubs (#11731)

Co-authored-by: Avasam <samuel.06@hotmail.com>
Co-authored-by: Alex Waygood <alex.waygood@gmail.com>

stubs/peewee/METADATA.toml

@@ -1,2 +1,10 @@
 version = "3.17.3"
 upstream_repository = "https://github.com/coleifer/peewee"
+# We're not providing stubs for all playhouse modules right now
+# https://github.com/python/typeshed/pull/11731#issuecomment-2065729058
+partial_stub = true
+
+[tool.stubtest]
+stubtest_requirements = ["Flask>=2.0.0"]
+# Using stubtest_allowlist to ignore playhouse modules we don't provide.
+ignore_missing_stub = false