📝 Add Array API specification link to HasArrayNamespace and Array protocols

Author: fbourgey

src/array_api_typing/_array.py

@@ -14,6 +14,8 @@
 class HasArrayNamespace(Protocol[NamespaceT_co]):
     """Protocol for classes that have an `__array_namespace__` method.
 
+    See the Array API specification: https://data-apis.org/array-api/latest/
+
     This `Protocol` is intended for use in static typing to ensure that an
     object has an `__array_namespace__` method that returns a namespace for
     array operations. This `Protocol` should not be used at runtime for type
@@ -76,6 +78,8 @@ class Array(
 ):
     """Array API specification for array object attributes and methods.
 
+    See the Array API specification: https://data-apis.org/array-api/latest/
+
     The type is: ``Array[+DTypeT, +NamespaceT = ModuleType] = Array[DTypeT,
     NamespaceT]`` where: