Nano: add a patch_torch/patch_tensorflow API for friendly usage (#5946)

* add a prototype code

* add patch_nano

* add pep8 changes

* add cv ppl

* fix bug

* add unpatch

* add updates

* update comment

* add changes

* add doc

* update and refactor

* update test

* fix doc

* fix according to cmt

* fix style

* fix doc

* fix bug

* fix style

* fix bug

* fix code

* add split patching api

* fix doc

* patch api to each framework

* fix pep8

* fix style

* fix style and cmt

docs/readthedocs/source/doc/PythonAPI/Nano/pytorch.rst

@@ -24,3 +24,11 @@ bigdl.nano.pytorch.TorchNano
     :members:
     :undoc-members:
     :exclude-members: run
+
+Patch API
+---------------------------
+
+.. automodule:: bigdl.nano.pytorch.dispatcher
+    :members:
+    :undoc-members:
+    :show-inheritance:

docs/readthedocs/source/doc/PythonAPI/Nano/tensorflow.rst

@@ -21,4 +21,12 @@ bigdl.nano.tf.optimizers
 ---------------------------
 .. autoclass:: bigdl.nano.tf.optimizers.SparseAdam
     :members: 
-    :undoc-members:
+    :undoc-members:
+
+Patch API
+---------------------------
+
+.. automodule:: bigdl.nano.tf.dispatcher
+    :members:
+    :undoc-members:
+    :show-inheritance: