⬆️ Bump files with dotnet-file sync

Author: devlooped-bot

readme.md

@@ -72,6 +72,20 @@ in your package. This gives you ultimate control without having to understand an
 All [inference rules are laid out in a single .targets](src/NuGetizer.Tasks/NuGetizer.Inference.targets) file that's easy to inspect them to learn more, and the file is not imported at all when `EnablePackInference=false`.
 
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+## Open Source Maintenance Fee
+
+To ensure the long-term sustainability of this project, use of $product$ requires an 
+[Open Source Maintenance Fee](https://opensourcemaintenancefee.org). While the source 
+code is freely available under the terms of the [MIT License](license.txt), all other aspects of the 
+project --including opening or commenting on issues, participating in discussions and 
+downloading releases-- require [adherence to the Maintenance Fee](osmfeula.txt).
+
+In short, if you use this project to generate revenue, the [Maintenance Fee is required](osmfeula.txt).
+
+To pay the Maintenance Fee, [become a Sponsor](https://github.com/sponsors/devlooped) at the corresponding 
+OSMF tier (starting at just $10!).
+
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 ## Package Readme