Piano Analytics tag variable. To be used with Piano Analytics configuration template.

1. Fix storeUser option: was always true
2. Fix setProperties 'auto'
3. Fix ecommerce default tax mapping (included by default)
5. Force value type for known ecommerce properties
6. Improve ecommerce mapping capacities
7. Fix auto typing of setProperties method
8. Prevent empty events from crashing SDK (`sendEvents`)
10. Add setProperties command
11. Add sendEvents command
12. Add setConsent command
13. Add auto GA eCommerce bridge
14. Allow configurable SDK src
16. Add queueVarName config management
17. Add success notification
18. Add set privacy mode action
19. Add documentation in Readme
20. Initial release.