Initial Data ACEs and script interface for data

Action:

• Set [path] to [value]
  (value: number, string)
  (path: string of dot path, the full path will be created if it does not exist)
  Expression:
• GetValue(path)
  (path: string of dot path, if path not found return '')

Script interface access to spine instance data object
let spineData = runtime.objects.spine.getFirstInstance().data
console.log('[SpineProj] spine.data',spineData)
spineData.key0 = 1;