Merge internnav docs

Author: yangyuqiang

source/en/index.md

@@ -17,7 +17,7 @@ myst:
  - **Development**: Develop various robotics systems, tasks and applications.
 
 The framework comprises a general-purpose simulation platform [InternUtopia](user_guide/internutopia/index.md) that provides realistic and immersive environments, along with toolkits that support research across various embodied AI domains:
-- [InternPerception](user_guide/internperception/index.md): Egocentric perception and spatial intelligence.
+- [InternSR](user_guide/internsr/index.md): Embodied spatial reasoning.
 - [InternNav](user_guide/internnav/index.md): Interactive multimodal embodied navigation.
 - [InternManip](user_guide/internmanip/index.md): Multimodal manipulation.
 - [InternHumanoid](user_guide/internhumanoid/index.md): Agile humanoid robot control.

source/en/user_guide/index.rst

@@ -9,7 +9,7 @@ User Guide
 .. toctree::
    :maxdepth: 3
 
-   internperception/index
+   internsr/index
 
 .. toctree::
    :maxdepth: 3

source/en/user_guide/internnav/quick_start/evaluation.md

@@ -13,6 +13,5 @@ myst:
 :maxdepth: 2
 
 installation
-finetune
-evaluation
+train_eval
 ```