Update README.md

Author: ManukMinasyan

README.md

@@ -187,3 +187,13 @@ For example: <FunctionalCalendar ref="Calendar"></FunctionalCalendar>
     ✅ this.$refs.Calendar.ChooseDate('25/09/2020'); //Call method implementation to go to a date
 ````
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+
+## Treeware
+
+You're free to use this package, but if it makes it to your production environment you are required to buy the world a tree.
+
+It’s now common knowledge that one of the best tools to tackle the climate crisis and keep our temperatures from rising above 1.5C is to <a href="https://www.bbc.co.uk/news/science-environment-48870920">plant trees</a>. If you support this package and contribute to the Treeware forest you’ll be creating employment for local families and restoring wildlife habitats.
+
+You can buy trees here [offset.earth/treeware](https://offset.earth/treeware?gift-trees)
+
+Read more about Treeware at [treeware.earth](http://treeware.earth)