Add anakin dev docs

source/advanced_usage/deploy/how_to_add_anakin_op.md

+../../../anakin/docs/Manual/addCustomOp.md
\ No newline at end of file

source/advanced_usage/deploy/how_to_support_new_device_in_anakin.md

+../../../anakin/docs/Manual/addCustomDevice.md
\ No newline at end of file

source/advanced_usage/deploy/index.rst

@@ -9,6 +9,10 @@
 使用Anakin进行服务端预测
 ========================
 
+
+使用文档
+~~~~~~~~
+
 .. toctree::
    :maxdepth: 1
 
@@ -20,5 +24,14 @@
    anakin_gpu_benchmark.md
    anakin_arm_benchmark.md
 
+开发文档
+~~~~~~~~
+
+.. toctree::
+   :maxdepth: 1
+
+   how_to_add_anakin_op.md
+   how_to_support_new_device_in_anakin.md
+
 移动端
 ######