Add rudimentary codespell config

Author: yarikoptic

pyproject.toml

@@ -106,3 +106,10 @@ push            = false
 "pyproject.toml" = ['current_version = "{version}"', 'version = "{version}"']
 "src/microjson/__init__.py" = ["{version}"]
 ".bumpversion.cfg" = ["current_version = {version}"]
+
+[tool.codespell]
+# Ref: https://github.com/codespell-project/codespell#using-a-config-file
+skip = '.git*'
+check-hidden = true
+ignore-regex = '^\s*"image/\S+": ".*'
+# ignore-words-list = ''