separate Gltf/Morph/BoneAnimationComponentManager definitions

move gltf animation instantiation to GltfAnimationComponentManager (this helps ensure we are creating the component on the correct entity)

thermion_dart/native/include/components/Animation.hpp

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <chrono>
+
+namespace thermion
+{
+    using namespace std::chrono;
+
+    typedef std::chrono::time_point<std::chrono::high_resolution_clock> time_point_t;
+
+    struct Animation
+    {
+        time_point_t start = time_point_t::max();
+        float startOffset;
+        bool loop = false;
+        bool reverse = false;
+        float durationInSecs = 0;
+    };
+}