Add pre-commit configuration

.dictionary.txt

@@ -0,0 +1,4 @@
+ists
+commitish
+atleast
+alpha-numeric

.pre-commit-config.yaml

@@ -0,0 +1,32 @@
+# 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: v4.0.1
+    hooks:
+    -   id: trailing-whitespace
+    -   id: end-of-file-fixer
+    -   id: check-yaml
+    -   id: check-ast
+    -   id: check-added-large-files
+    -   id: check-merge-conflict
+    -   id: check-shebang-scripts-are-executable
+    -   id: mixed-line-ending
+-   repo: https://github.com/golangci/golangci-lint
+    rev: v1.43.0
+    hooks:
+    -   id: golangci-lint
+-   repo: https://github.com/codespell-project/codespell
+    rev: v2.1.0
+    hooks:
+    -   id: codespell
+        args: [--ignore-words=.dictionary.txt]
+-   repo: https://github.com/asottile/pyupgrade
+    rev: v2.29.0
+    hooks:
+    -   id: pyupgrade
+-   repo: https://github.com/PyCQA/isort
+    rev: 5.10.0
+    hooks:
+    -   id: isort