feat: add initial People Playground mod development kit

extracted_wiki_content/internalReference/playrandomclipbehaviour.txt

@@ -0,0 +1,29 @@
+URL: https://wiki.studiominus.nl/internalReference/PlayRandomClipBehaviour.html
+Title: People Playground Modding - PlayRandomClipBehaviour
+==================================================
+
+public class PlayRandomClipBehaviour
+Inherits MonoBehaviour
+Behaviour that just plays a random clip from the given array on the given source / PhysicalBehaviour
+Fields
+public AudioClip[] Clips
+[SkipSerialisation]
+Clips to choose from. Cannot be null or empty!
+
+public AudioSource Source
+[SkipSerialisation] [NaughtyAttributes.HideIf(nameof(UsePhysicalBehaviourAudioSource))]
+Source to play from. Can be null if a PhysicalBehaviour is assigned and UsePhysicalBehaviourAudioSource is true
+
+public PhysicalBehaviour PhysicalBehaviour
+[SkipSerialisation] [NaughtyAttributes.ShowIf(nameof(UsePhysicalBehaviourAudioSource))]
+PhysicalBehaviour to use for audio playback. Can be null if a Source is assigned and UsePhysicalBehaviourAudioSource is false
+
+public bool PlayOnStart
+Should a clip be played on Start?
+
+public bool UsePhysicalBehaviourAudioSource
+Should the clip be played from the given PhysicalBehaviour?
+
+Methods
+public void Play()
+No description provided