Initial version extracted from Recyclable.Collections

LICENSE.md

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+# License
+The project & source code is free for educational & personal use. **Any kind** of commercial use requires a donation, as prescribed below.
+
+# Donation requirements for a life-time, commercial use
+* Commercial license is paid one time.
+* It can be obtained by donating $10 for each developer seat, using the link provided below. If you hire 2 developers, you need to donate $20 for a life-time, commercial use of this package.
+* Your license stays with you, if your developer moves somewhere else.
+
+# Link for donations
+[![Donate](buy-me-a-coffee.svg)](https://www.buymeacoffee.com/mlemanczyk)