Add tooling configs

.editorconfig

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+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+indent_style = tab
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.{py,yaml,yml}]
+indent_style = space
+
+[*.{yaml,yml}]
+indent_size = 2

.pre-commit-config.yaml

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+# 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: v4.0.1
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: fix-byte-order-marker
+      - id: fix-encoding-pragma
+      - id: check-executables-have-shebangs
+      - id: check-shebang-scripts-are-executable
+      - id: mixed-line-ending
+        args:
+          - "--fix=lf"
+      - id: check-yaml
+      - id: check-json
+      - id: check-added-large-files
+      - id: check-case-conflict
+      - id: check-merge-conflict
+      - id: check-symlinks
+      - id: destroyed-symlinks
+      - id: detect-private-key
+
+  - repo: https://github.com/editorconfig-checker/editorconfig-checker.python
+    rev: 2.3.54
+    hooks:
+      - id: editorconfig-checker
+
+  - repo: https://github.com/PyCQA/flake8
+    rev: 4.0.1
+    hooks:
+      - id: flake8
+
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v0.910-1
+    hooks:
+      - id: mypy
+
+  - repo: https://github.com/psf/black
+    rev: 21.9b0
+    hooks:
+      - id: black
+
+  - repo: https://github.com/PyCQA/isort
+    rev: 5.9.3
+    hooks:
+      - id: isort

.vscode/settings.json

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+{
+	"python.linting.mypyEnabled": true,
+	"python.formatting.provider": "black",
+	"editor.formatOnSave": true,
+	"python.linting.flake8Enabled": true
+}

tox.ini

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+[flake8]
+max-line-length = 88
+extend-ignore = E203, I201
+
+[tool.isort]
+profile = "black"