add ts codebases to study

closes typescript-cheatsheets/react#80

docs/basic/recommended/codebases.md

@@ -4,7 +4,9 @@ title: Recommended React + TypeScript codebases to learn from
 sidebar_label: Codebases to learn from
 ---
 
-- https://github.com/jaredpalmer/formik
+
+- https://github.com/devhubapp/devhub
+- https://github.com/formium/formik/
 - https://github.com/jaredpalmer/react-fns
 - https://github.com/palantir/blueprint
 - https://github.com/Shopify/polaris
@@ -13,6 +15,12 @@ sidebar_label: Codebases to learn from
 - https://github.com/benawad/codeponder (with [coding livestream!](https://www.youtube.com/watch?v=D8IJOwdNSkc&list=PLN3n1USn4xlnI6kwzI8WrNgSdG4Z6daCq))
 - https://github.com/artsy/emission (React Native)
 - [@reach/ui's community typings](https://github.com/reach/reach-ui/pull/105)
+- https://github.com/pshrmn/curi/tree/master/packages/router
+
+Older but still worth checking:
+
+- https://bitbucket.org/atlassian/atlaskit-mk-2/src/master/
+- https://github.com/contiamo/operational-ui
 
 React Boilerplates:
 
@@ -27,3 +35,18 @@ React Native Boilerplates: _contributed by [@spoeck](https://github.com/typescri
 - https://github.com/lopezjurip/ReactNativeTS
 - https://github.com/emin93/react-native-template-typescript
 - <https://github.com/Microsoft/TypeScript-React-Native-Starter>
+
+TS Library Codebases to study
+
+- https://github.com/Azure/azure-sdk-for-js
+- https://github.com/sindresorhus/is
+- https://github.com/probot/probot
+- https://github.com/intuit/auto
+- https://github.com/polymer/tools
+- https://github.com/nteract/nteract
+- https://github.com/pgilad/leasot
+- https://github.com/JasonEtco/actions-toolkit
+- https://github.com/ferdaber/typescript-bootstrap/
+- https://github.com/contiamo/operational-scripts
+- https://github.com/nobrainr/morphism
+- https://github.com/slackapi/node-slack-sdk