Add public assets batch 25

public/action-assets/models/opengameart/dragon-oga/LICENSE.txt

@@ -0,0 +1,16 @@
+Asset: Cethiel's Dragon 3D
+Source: https://opengameart.org/content/cethiels-dragon-3d
+License: Creative Commons Zero (CC0)
+Authors: Drummyfish, based on Cethiel's CC0 dragon
+Attribution: Not required; optional credit to Cethiel and Drummyfish.
+
+Local conversion:
+- Source file: external/downloaded-assets/dragon_oga/dragon.dae
+- Runtime file: dragon-oga-animated.glb
+- Base static mesh export: dragon-oga.glb
+- Animation preview files:
+  - dragon-oga-idle-anim.glb from external/downloaded-assets/dragon_oga/dragon_idle.dae
+  - dragon-oga-walk-anim.glb from external/downloaded-assets/dragon_oga/dragon_walk.dae
+  - dragon-oga-attack-anim.glb from external/downloaded-assets/dragon_oga/dragon_attack.dae
+  - dragon-oga-die-anim.glb from external/downloaded-assets/dragon_oga/dragon_die.dae
+- dragon-oga-animated.glb merges those four clips onto the textured dragon skeleton by matching bone/node names.