docs: update playground types

Update the contribution guide, as this is what CI does, so we should do that here too.

Author: tijmenb

CONTRIBUTING.md

@@ -21,19 +21,25 @@ pnpm migrate
 There are a number of automated checks which run on GitHub Actions when a pull request is created.
 You can run those checks on your own locally to make sure that your changes would not break the CI build.
 
-### 1. Check the code for JavaScript style violations
+### 1. Rebuild the generated files
+
+```sh
+pnpm gen
+```
+
+### 2. Check the code for JavaScript style violations
 
 ```sh
 pnpm lint
 ```
 
-### 2. Check the code for Ruby style violations
+### 3. Check the code for Ruby style violations
 
 ```sh
 bin/rubocop
 ```
 
-### 3. Run the test suite
+### 4. Run the test suite
 
 ```sh
 bin/rspec

playground/vanilla/app/frontend/types/serializers/Composer.ts

@@ -1,4 +1,4 @@
-// TypesFromSerializers CacheKey b379726b6fef2dadbfd614384b868746
+// TypesFromSerializers CacheKey c5f5056c4fa3626c5c1908d0f1dcfe8d
 //
 // DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
 

playground/vanilla/app/frontend/types/serializers/ComposerWithSongs.ts

@@ -1,4 +1,4 @@
-// TypesFromSerializers CacheKey 9111c6d881174b0013582fa6366868db
+// TypesFromSerializers CacheKey acbbfcd258be7c495d2784be9b815e79
 //
 // DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
 import type ComposerWithSongsSong from './ComposerWithSongs/Song'

playground/vanilla/app/frontend/types/serializers/ComposerWithSongs/Song.ts

@@ -1,4 +1,4 @@
-// TypesFromSerializers CacheKey a69c0dbcc904740e5de89181ef4b2837
+// TypesFromSerializers CacheKey b8af6beb071f45e87fe53318043f5388
 //
 // DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
 

playground/vanilla/app/frontend/types/serializers/Model.ts

@@ -1,4 +1,4 @@
-// TypesFromSerializers CacheKey ed8ff6fbc986e6b666d559749c666dc5
+// TypesFromSerializers CacheKey 89c74246c39a38f244b708597ef3b884
 //
 // DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
 import type AnyModel from '../AnyModel'

playground/vanilla/app/frontend/types/serializers/Nested/Album.ts

@@ -1,4 +1,4 @@
-// TypesFromSerializers CacheKey 58897b61d86838c60d1f12700f326896
+// TypesFromSerializers CacheKey ddc921e1e92a90ea686336285fcdb369
 //
 // DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
 import type AnyModel from '../../AnyModel'

playground/vanilla/app/frontend/types/serializers/SnakeComposer.ts

@@ -1,4 +1,4 @@
-// TypesFromSerializers CacheKey 89e5760366d01f7f21244d341e1af2d4
+// TypesFromSerializers CacheKey 03a6c67042bb201dfeeab4b021db7dd5
 //
 // DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
 

playground/vanilla/app/frontend/types/serializers/Song.ts

@@ -1,4 +1,4 @@
-// TypesFromSerializers CacheKey f4f9e398dc092747d13607e2bdcb0846
+// TypesFromSerializers CacheKey c2c60f7c58d2fbafd49219bd8673dd15
 //
 // DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
 import type Composer from './Composer'

playground/vanilla/app/frontend/types/serializers/SongWithVideos.ts

@@ -1,4 +1,4 @@
-// TypesFromSerializers CacheKey c2d167325e7342eba01d0a78482d6d76
+// TypesFromSerializers CacheKey e6174fbd5fbf2c871782886b3b441101
 //
 // DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
 import type Composer from './Composer'

playground/vanilla/app/frontend/types/serializers/Video.ts

@@ -1,4 +1,4 @@
-// TypesFromSerializers CacheKey 45d6b515fb6118eabbd39d586269cdd0
+// TypesFromSerializers CacheKey fa77137240a406b724863f5d51e9c3e4
 //
 // DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
 
@@ -7,6 +7,9 @@ export default interface Video {
   createdAt: string | Date
   title?: string
   untypedFieldExample: any
+  /**
+  * YouTube ID of the video
+  */
   youtubeId?: string
   youtubeUrl?: string
 }