Make Shello rotate towards the player before jumping (this still needs work)

Convert all scripts to used tagged Player.
Try to keep Shello on the ground while walking (not sure if this works yet).
Fix transition from excitement to walking to happen immediately.

ProjectSettings/QualitySettings.asset

@@ -222,4 +222,5 @@ QualitySettings:
     resolutionScalingFixedDPIFactor: 1
     customRenderPipeline: {fileID: 0}
     excludedTargetPlatforms: []
-  m_PerPlatformDefaultQuality: {}
+  m_PerPlatformDefaultQuality:
+    Standalone: 0