Add pre-commit config (#1009)

## Summary
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this proposed code change. --->
This PR adds pre-commit config, [`prek`](https://prek.j178.dev/)
dependency and instructions in `CONTRIBUTING.md`.



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## Details
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should be aware of?
--->

## Testing Done
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tested. --->

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- [ ] run `make test` to ensure correctness
- [ ] run `make checkstyle` to ensure code style
- [ ] run `make test-convergence` to ensure convergence

---------

Signed-off-by: Tcc0403 <76503978+Tcc0403@users.noreply.github.com>
Co-authored-by: Shao Tang <tangshao28@gmail.com>

Author: Tcc0403

.pre-commit-config.yaml

@@ -0,0 +1,10 @@
+repos:
+- repo: https://github.com/astral-sh/ruff-pre-commit
+  # Ruff version.
+  rev: v0.14.11
+  hooks:
+    # Run the linter.
+    - id: ruff-check
+      args: [ --fix ]
+    # Run the formatter.
+    - id: ruff-format

docs/contributing.md

@@ -27,6 +27,15 @@ Leave `#take` in the comment and tag the maintainer.
      pip install -e .'[dev]'
      ```
 
+    3. **Install pre-commit hooks using [`prek`](https://prek.j178.dev/), a `pre-commit` alternative built in rust**
+    ```
+    prek install 
+    ```
+    Run pre-commit check without committing (`-a` is equivalent to `--all-files`)
+    ```
+    prek run -a
+    ```
+
 ## Structure
 
 !!! Info

setup.py

@@ -44,6 +44,7 @@ def get_optional_dependencies():
             "seaborn",
             "mkdocs-material",
             "torchvision>=0.20",
+            "prek>=0.2.28",
         ]
     }