chore: Use pre-commit framework (#604)

* Add pre-commit, prettier configs and editorconfig

* Remove `check-toml` hook

* Add isort config

* Add codespell config

* Update hooks

* Remove prettierignore

* Add shellcheck config

* Add lint workflow

* Add pre-commit autoupdate workflow

* Remove path constraints from lint workflow

* Fix CI

* Add guide to CONTRIBUTING.md

* Fix (probably) shfmt

* Fix (probably) shfmt

* Fix (probably) shfmt

.editorconfig

@@ -0,0 +1,19 @@
+# http://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.{py, pyi}]
+indent_size = 4
+
+[*Dockerfile*]
+indent_size = 4
+
+[*.md]
+trim_trailing_whitespace = false