Update README and changelog with runtime.6 release

Merge pull request #21 from Insality/develop

Fix examples

Fix #23 Sprite image change animation does not work in nested collection

Revert "Update sprite material"

Update examples

Update sprite material

Update examples

Annotations update

Remove unused get_node_property

Merge branch 'main' into develop

Solve #20 Fix stop tweens animations

Merge pull request #19 from vlaaad/patch-1

Create ext.properties

Update docs