Shake CI and docs up

ci/fmt.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+main() {
+  shfmt -i 2 -w -s -sr $$(git ls-files "*.sh")
+  prettier --write --loglevel=warn $$(git ls-files "*.js" "*.ts" "*.tsx" "*.html" "*.json" "*.css" "*.md" "*.toml" "*.yaml" "*.yml")
+	if [[ "$CI" != "" && $$(git ls-files --other --modified --exclude-standard) != "" ]]; then
+	  echo "Files need generation or are formatted incorrectly:"
+	  git -c color.ui=always status | grep --color=no '\[31m'
+	  echo "Please run the following locally:"
+	  echo "  make fmt"
+	  exit 1
+	fi
+}
+
+main "$@"