Add .pre-commit tooling

Author: ross-spencer

.codespellignore

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+[codespell]
+skip =
+    *.po,
+    *.ts,
+    tests/*
+count =
+quiet-level = 3
+ignore-words-list =
+    cips

.codespellrc

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+# EditorConfig: https://EditorConfig.org. Provides sensible defaults for
+# non vscode editors.
+
+# top-most EditorConfig file
+root = true
+
+# Every file.
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+
+indent_style = space
+indent_size = 4
+
+trim_trailing_whitespace = true

.editorconfig

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+
+---
+default: true
+
+# Exceptions, example given, MD045
+# MD045: false # allow image with no tag
+
+# In-line HTML.
+MD033: false
+# Line lengths
+MD013:
+    line_length: 80
+    tables: false
+# First line in a file should be a top-level heading
+MD041: false

.markdownlint.yaml

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+drafts/*

.markdownlintignore

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+repos:
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+    -   id: check-yaml
+    -   id: check-json
+    -   id: check-toml
+    -   id: end-of-file-fixer
+        exclude: ".svg"
+    -   id: trailing-whitespace
+    -   id: check-case-conflict
+- repo: https://github.com/igorshubovych/markdownlint-cli
+  rev: v0.42.0
+  hooks:
+  - id: markdownlint
+- repo: https://github.com/codespell-project/codespell
+  rev: v2.3.0
+  hooks:
+    - id: codespell
+      args: [-I .codespellignore]

.pre-commit-config.yaml

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+ROOT := `git rev-parse --show-toplevel`
+# Get help
+help:
+  just -l
+
+# (Re-)build the glossary
+build:
+  node {{ROOT}}/builder/index.js --input {{ROOT}}/content > {{ROOT}}/docs/index.html
+
+# Run all pre-commit checks
+all-checks:
+  pre-commit run --all-files
+
+# Run pre-commit spelling check
+spell:
+  pre-commit run codespell --all-files
+
+# Run pre-commit makdown-lint
+markdown:
+  pre-commit run markdownlint --all-files