Add .pre-commit-config.yaml

This one is simpler than the one in 2.0 branch, does not include
cmake formatting.

.pre-commit-config.yaml

@@ -0,0 +1,20 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v3.2.0
+  hooks:
+  - id: trailing-whitespace
+  - id: end-of-file-fixer
+  - id: check-added-large-files
+  - id: check-case-conflict
+  - id: check-yaml
+  - id: check-json
+- repo: https://github.com/pre-commit/mirrors-clang-format
+  rev: v14.0.0
+  hooks:
+  - id: clang-format
+- repo: https://github.com/codespell-project/codespell
+  rev: v2.1.0
+  hooks:
+  - id: codespell