Merge pull request #12243 from Superjomn/doc/move-inference

doc/move inference

doc/fluid/new_docs/advanced_usage/deploy/index_anakin.rst

-服务器端部署 - Anakin
-#####################
+Anakin - 服务器端加速引擎
+#######################
 
 
 使用文档

doc/fluid/new_docs/advanced_usage/deploy/index_native.rst

-服务器端部署 - 原生引擎
-#######################
-
-..  toctree::
-    :maxdepth: 2
-
-    build_and_install_lib_cn.rst
-    native_infer.rst

doc/fluid/new_docs/advanced_usage/index.rst

@@ -10,7 +10,6 @@
 ..  toctree::
     :maxdepth: 2
 
-    deploy/index_native.rst
     deploy/index_anakin.rst
     deploy/index_mobile.rst
     development/contribute_to_paddle.md

doc/fluid/new_docs/user_guides/howto/inference/index.rst

+############
+模型预测部署
+############
+
+PaddlePaddle Fluid 提供了 C++ API 来支持模型的部署上线
+
+.. toctree::
+   :maxdepth: 2
+
+   build_and_install_lib_cn.rst
+   native_infer.rst

doc/fluid/new_docs/user_guides/index.rst

@@ -15,4 +15,5 @@
     howto/training/index
     howto/debug/index
     howto/evaluation/index
+    howto/inference/index
     models/index.rst