[SCU][Docathon][Add API Legend No.34]Add legend for transpose API (#69413)

* Add English explanation

* modify code

* add __rand__

* cancel update

* develop

* recover

* finish

* Update python/paddle/tensor/manipulation.py

---------

Co-authored-by: zachary sun <70642955+sunzhongkai588@users.noreply.github.com>

Author: SCUcookie

python/paddle/tensor/manipulation.py

@@ -531,6 +531,12 @@ def transpose(
     The `i`-th dimension  of the returned tensor will correspond to the
     perm[i]-th dimension of `input`.
 
+    The image illustrates the second example of the transpose operation.
+
+    .. image:: https://githubraw.cdn.bcebos.com/PaddlePaddle/docs/develop/docs/images/api_legend/transpose.png
+        :width: 500
+        :alt: legend of transpose API
+
     Args:
         x (Tensor): The input Tensor. It is a N-D Tensor of data types bool, float32, float64, int32.
         perm (list|tuple): Permute the input according to the data of perm.