Add Example Doc Model Env

Register in the English category index
Each category has its own index file (e.g. docs/source-en/rst_source/examples/embodied/index.rst).

• Edit docs/source-en/rst_source/examples/<category>/index.rst.
• Add an entry for <name> in the hidden .. toctree:: at the bottom (e.g. dexbotic).
• Optionally add a gallery card in the correct section using the same HTML block pattern as existing cards (image, hyperlink to the rendered doc, short title + description).
  Note: The top-level examples/index.rst now only links to the four category indexes and usually does not need to be changed when adding a single example.

If it is an embodied evaluation environment
In docs/source-en/rst_source/start/vla-eval.rst, add a line in the “List of currently supported evaluation environments”:

• For embodied examples: :doc:\Display Name <../examples/embodied/<name>``
• For other categories, follow the existing pattern in that file and mirror the relative path used there.

Create the Chinese RST file
Use the same <category> and <name> as in English:
Path: docs/source-zh/rst_source/examples/<category>/<name>.rst.
Mirror the English content (same structure and sections). Use existing EN/ZH pairs under the same category (e.g. embodied/libero.rst in both source-en and source-zh) as reference.

Register in the Chinese category index
Edit docs/source-zh/rst_source/examples/<category>/index.rst:

• Add the same <name> entry to the hidden .. toctree::.
• If you added a gallery card in the English index, add a matching Chinese gallery card here, following existing HTML patterns.
  If the Chinese docs have a vla-eval or start page that lists environments, add the new example using the same relative path pattern as in English (typically ../examples/embodied/<name> for embodied.

Update README.md
In the "What's NEW!" section at the top, add a new dated bullet, with the documentation link pointing to the correct category path, e.g.:

• - [YYYY/MM] 🔥 ... Doc: [Display Title](https://rlinf.readthedocs.io/en/latest/rst_source/examples/embodied/<name>.html).
  If the example is a simulator, model, or feature that appears in the Key Features table, add a corresponding list item in the right column using the same category path (see reference.md).

Update README.zh-CN.md
In the "最新动态" section, add the same news item in Chinese with the doc link using /zh-cn/ and the correct category path, for example:

• https://rlinf.readthedocs.io/zh-cn/latest/rst_source/examples/embodied/<name>.html
  If you added a feature list entry in README.md, add the same entry in README.zh-CN.md (Chinese display text, zh-cn in the link, and the same <category> segment).