[refactor] restructure configuration files (#2977)

* gh: move CONTRIBUTING to .github

* chore: move isort config to pyproject

* chore: move pytest config to pyproject

* chore: move yapf config to pyproject

* chore: move clang-format config to pre-commit

.clang-format

-BasedOnStyle: Google

CONTRIBUTING.md → .github/CONTRIBUTING.md

@@ -138,4 +138,4 @@ You can now create a pull request on the GitHub webpage of your repository. The
 
 Do write clearly the description of your pull request and [link the pull request to your target issue](https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue). This will automatically close the issue when the pull request is approved.
 
-In case of code conflict, you should rebase your branch and resolve the conflicts manually.
\ No newline at end of file
+In case of code conflict, you should rebase your branch and resolve the conflicts manually.

.isort.cfg

-[settings]
-line_length = 120
-multi_line_output=3
-include_trailing_comma = true
-ignore_comments = true

.pre-commit-config.yaml

@@ -11,13 +11,14 @@ repos:
     hooks:
     - id: yapf
       name: yapf formatter
-      args: ['--style=.style.yapf', '--parallel', '--in-place']
+      args: ['--style=pyproject.toml', '--parallel', '--in-place']
 
   - repo: https://github.com/pre-commit/mirrors-clang-format
     rev: v13.0.1
     hooks:
     - id: clang-format
       name: clang formatter
+      args: [--style, "{BasedOnStyle: Google}"]
 
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v4.3.0

.style.yapf

-[style]
-based_on_style = google
-spaces_before_comment = 4
-split_before_logical_operator = true
-column_limit = 120

pyproject.toml

+[tool.isort]
+line_length = 120
+multi_line_output = 3
+include_trailing_comma = true
+ignore_comments = true
+
+[tool.yapf]
+based_on_style = "google"
+spaces_before_comment = 4
+split_before_logical_operator = true
+column_limit = 120
+
+[tool.pytest.ini_options]
+markers = [
+    "cpu: tests which can run on CPU",
+    "gpu: tests which requires a single GPU",
+    "dist: tests which are run in a multi-GPU or multi-machine environment",
+    "experiment: tests for experimental features",
+]

pytest.ini

-[pytest]
-markers =
-    cpu: tests which can run on CPU
-    gpu: tests which requires a single GPU
-    dist: tests which are run in a multi-GPU or multi-machine environment
-    experiment: tests for experimental features
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