Set up linter for the package

docs/Dependencies.md

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+# Dependencies
+
+## Global
+
+These are some global dev dependencies in the root `package.json`. These set the
+baseline for how our code be in all the workspaces in the monorepo.
+
+* "prettier" - Formatter
+* "eslint" - Linter
+* "typescript" - Type checker
+
+They also need some support packages:
+
+* "@typescript-eslint/parser" - Tells ESLint how to read TypeScript syntax

packages/utils/.eslintrc.js

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+module.exports = {};