chore: drop legacy cookbook package (#497)

* chore: drop legacy cookbook package, replaced by cookbook-v2

cookbook-v2 (Vite + TypeScript + Tailwind) covers all the same examples.
The old cookbook was based on Create React App which is unmaintained.
Also remove the surge.sh deploy step from .travis.yml and update docs.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* chore: update yarn.lock after dropping cookbook package

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* fix: add @babel/core to root devDependencies

@babel/cli requires @babel/core as a peer dep. Previously the old cookbook
package provided it transitively; now it must be declared explicitly.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

---------

Co-authored-by: greweb <greweb@protonmail.com>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: 3 people

.travis.yml

@@ -36,15 +36,14 @@ if you need to regenerate the snapshots:
 yarn run test-rewrite-snapshots
 ```
 
-Finally, Please check that ALL examples of the cookbook are working correctly.
+Finally, please check that all examples of the cookbook are working correctly.
 
 ## Cookbook
 
 **Run it**
 
 ```sh
-cd packages/cookbook
-yarn start
+yarn cookbook-v2
 ```
 
 ## License

CONTRIBUTING.md

@@ -13,8 +13,8 @@ This universal library must be coupled with one of the concrete implementations:
 
 ## Links
 
-- **[Cookbook, examples, API](https://gl-react-cookbook.surge.sh)**
-- [Expo Cookbook](https://expo.io/@gre/gl-react)
+- **[Cookbook examples](packages/cookbook-v2/)** (`yarn cookbook-v2` to run locally)
+- [Expo Cookbook](packages/cookbook-expo/)
 - [JSFiddle hello gl example](https://jsfiddle.net/greweb/cup5feke/)
 - [![Join the chat at https://gitter.im/gl-react/Lobby](https://badges.gitter.im/gl-react/Lobby.svg)](https://gitter.im/gl-react/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 

README.md

@@ -28,6 +28,7 @@
   },
   "devDependencies": {
     "@babel/cli": "^7.26.0",
+    "@babel/core": "^7.26.0",
     "@babel/preset-env": "^7.26.0",
     "@babel/preset-react": "^7.26.0",
     "@babel/preset-typescript": "^7.26.0",