updated contents from Atlas repo

functions/clip_signature.rst

@@ -0,0 +1,12 @@
+>>> from clip import clip
+>>> from inspect import signature
+>>> sig = signature(clip)
+>>> sig  # doctest: +ELLIPSIS
+<inspect.Signature object at 0x...>
+>>> str(sig)
+'(text, max_len=80)'
+>>> for name, param in sig.parameters.items():
+...     print(param.kind, ':', name, '=', param.default)
+...
+POSITIONAL_OR_KEYWORD : text = <class 'inspect._empty'>
+POSITIONAL_OR_KEYWORD : max_len = 80