Add pre-commit configuration (nginx#2154)

.pre-commit-config.yaml

@@ -0,0 +1,45 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+exclude: docs/_vendor/
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.3.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+        args: [--allow-multiple-documents]
+      - id: check-ast
+      - id: check-added-large-files
+      - id: check-merge-conflict
+      - id: check-shebang-scripts-are-executable
+      - id: mixed-line-ending
+        args: [--fix=lf]
+      - id: name-tests-test
+      - id: no-commit-to-branch
+      - id: requirements-txt-fixer
+      - id: fix-byte-order-marker
+  - repo: https://github.com/golangci/golangci-lint
+    rev: v1.50.1
+    hooks:
+      - id: golangci-lint
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v3.2.0
+    hooks:
+      - id: pyupgrade
+  - repo: https://github.com/PyCQA/isort
+    rev: 5.10.1
+    hooks:
+      - id: isort
+  - repo: https://github.com/psf/black
+    rev: 22.10.0
+    hooks:
+      - id: black
+  - repo: https://github.com/python-jsonschema/check-jsonschema
+    rev: 0.18.4
+    hooks:
+      - id: check-jsonschema
+        name: "Check Helm Chart JSON Schema"
+        files: deployments/helm-chart/values.yaml
+        types: [yaml]
+        args: ['--schemafile', 'deployments/helm-chart/values.schema.json']