[file] Update 3D Printing Files for Camera of Unitree Go2 (#176)

* [file] Update 3d printing files for camera of Unitree Go2.

* [Doc] Update readme for 3d printing models.

Author: yuqiang-yang

.pre-commit-config.yaml

@@ -1,5 +1,4 @@
-exclude: |
-  ^internnav/model/basemodel/LongCLIP/
+exclude: '^internnav/model/basemodel/LongCLIP/|^assets/'
 
 repos:
   - repo: https://github.com/PyCQA/autoflake

README.md

@@ -36,7 +36,7 @@ The toolbox supports the most advanced high-quality navigation dataset, InternDa
 ## 🔥 News
 - [2025/10] Add a simple [inference-only demo](scripts/notebooks/inference_only_demo.ipynb) of InternVLA-N1.
 - [2025/10] InternVLA-N1 [technical report](https://internrobotics.github.io/internvla-n1.github.io/static/pdfs/InternVLA_N1.pdf) is released. Please check our [homepage](https://internrobotics.github.io/internvla-n1.github.io/).
-- [2025/09] Real-world deployment code of InternVLA-N1 is released.
+- [2025/09] Real-world deployment code of InternVLA-N1 is released. Upload 3D printing [files](assets/3d_printing_files/go2_stand.STEP) for Unitree Go2.
 - [2025/07] We are hosting 🏆IROS 2025 Grand Challenge, stay tuned at [official website](https://internrobotics.shlab.org.cn/challenge/2025/).
 - [2025/07] InternNav v0.1.1 released.