chore: update README with new ESLint packages

Author: adidahiya

README.md

@@ -56,10 +56,12 @@ These are used as development playground environments:
 These packages define development dependencies and contain build configuration. They adhere to the standard NPM package layout, which allows us to keep clear API boundaries for build configuration and isolate groups of `devDependencies`. They are published to NPM in order to allow other Blueprint-related projects to use this infrastructure outside this monorepo.
 
 - [![npm](https://img.shields.io/npm/v/@blueprintjs/docs-theme.svg?label=@blueprintjs/docs-theme)](https://www.npmjs.com/package/@blueprintjs/docs-theme) – Documentation theme for [Documentalist](https://github.com/palantir/documentalist) data.
+- [![npm](https://img.shields.io/npm/v/@blueprintjs/eslint-config.svg?label=@blueprintjs/eslint-config)](https://www.npmjs.com/package/@blueprintjs/eslint-config) – ESLint configuration used in this repo and recommended for Blueprint-related projects
+- [![npm](https://img.shields.io/npm/v/@blueprintjs/eslint-plugin-blueprint.svg?label=@blueprintjs/eslint-plugin-blueprint)](https://www.npmjs.com/package/@blueprintjs/eslint-plugin-blueprint) – implementations for custom ESLint rules which enforce best practices for Blueprint usage
 - [![npm](https://img.shields.io/npm/v/@blueprintjs/karma-build-scripts.svg?label=@blueprintjs/karma-build-scripts)](https://www.npmjs.com/package/@blueprintjs/karma-build-scripts)
-- [![npm](https://img.shields.io/npm/v/@blueprintjs/node-build-scripts.svg?label=@blueprintjs/node-build-scripts)](https://www.npmjs.com/package/@blueprintjs/node-build-scripts)
-- [![npm](https://img.shields.io/npm/v/@blueprintjs/test-commons.svg?label=@blueprintjs/test-commons)](https://www.npmjs.com/package/@blueprintjs/test-commons)
-- [![npm](https://img.shields.io/npm/v/@blueprintjs/tslint-config.svg?label=@blueprintjs/tslint-config)](https://www.npmjs.com/package/@blueprintjs/tslint-config)
+- [![npm](https://img.shields.io/npm/v/@blueprintjs/node-build-scripts.svg?label=@blueprintjs/node-build-scripts)](https://www.npmjs.com/package/@blueprintjs/node-build-scripts) – various utility scripts for linting, working with CSS variables, and building icons
+- [![npm](https://img.shields.io/npm/v/@blueprintjs/test-commons.svg?label=@blueprintjs/test-commons)](https://www.npmjs.com/package/@blueprintjs/test-commons) – various utility functions used in Blueprint test suites
+- [![npm](https://img.shields.io/npm/v/@blueprintjs/tslint-config.svg?label=@blueprintjs/tslint-config)](https://www.npmjs.com/package/@blueprintjs/tslint-config) – TSLint configuration used in this repo and recommended for Blueprint-related projects (should be installed by `@blueprintjs/eslint-config`, not directly)
 - [![npm](https://img.shields.io/npm/v/@blueprintjs/webpack-build-scripts.svg?label=@blueprintjs/webpack-build-scripts)](https://www.npmjs.com/package/@blueprintjs/webpack-build-scripts)
 
 ## Contributing