docs: add module-level doc

dangotbanned · dangotbanned · commit 8ec9cd92fb37 · 2025-03-09T15:35:25.000Z
Very open to alternatives on what the module should be called
Was the *least-bad* one I thought of
diff --git a/narwhals/_compliant/any_namespace.py b/narwhals/_compliant/any_namespace.py
@@ -1,3 +1,5 @@
+"""`Expr` and `Series` namespace accessor protocols."""
+
 from __future__ import annotations
 
 from typing import TYPE_CHECKING

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	+"""`Expr` and `Series` namespace accessor protocols."""
	`2`	`+`
`1`	`3`	`from __future__ import annotations`
`2`	`4`
`3`	`5`	`from typing import TYPE_CHECKING`