add trademark (#892)

* add trademark

* Update README.md

* Update index.md

Author: melonora

LICENSE

@@ -1,6 +1,6 @@
 BSD 3-Clause License
 
-Copyright (c) 2022, scverse
+Copyright (c) 2022, scverse®
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

README.md

@@ -18,7 +18,8 @@ SpatialData is a data framework that comprises a FAIR storage format and a colle
 
 [//]: # "numfocus-fiscal-sponsor-attribution"
 
-The spatialdata project uses a [consensus based governance model](https://scverse.org/about/roles/) and is fiscally sponsored by [NumFOCUS](https://numfocus.org/). Consider making a [tax-deductible donation](https://numfocus.org/donate-to-scverse) to help the project pay for developer time, professional services, travel, workshops, and a variety of other needs.
+spatialdata is part of the scverse® project ([website](https://scverse.org), [governance](https://scverse.org/about/roles)) and is fiscally sponsored by [NumFOCUS](https://numfocus.org/).
+If you like scverse® and want to support our mission, please consider making a tax-deductible [donation](https://numfocus.org/donate-to-scverse) to help the project pay for developer time, professional services, travel, workshops, and a variety of other needs.
 
 The spatialdata project also received support by the Chan Zuckerberg Initiative.
 

docs/index.md

@@ -14,6 +14,20 @@ SpatialData is a data framework that comprises a FAIR storage format and a colle
 
 Please see our publication {cite}`marconatoSpatialDataOpenUniversal2024` for citation and to learn more.
 
+[//]: # "numfocus-fiscal-sponsor-attribution"
+
+spatialdata is part of the scverse® project ([website](https://scverse.org), [governance](https://scverse.org/about/roles)) and is fiscally sponsored by [NumFOCUS](https://numfocus.org/).
+If you like scverse® and want to support our mission, please consider making a tax-deductible [donation](https://numfocus.org/donate-to-scverse) to help the project pay for developer time, professional services, travel, workshops, and a variety of other needs.
+
+<div align="center">
+<a href="https://numfocus.org/project/scverse">
+  <img
+    src="https://raw.githubusercontent.com/numfocus/templates/master/images/numfocus-logo.png"
+    width="200"
+  >
+</a>
+</div>
+
 ```{eval-rst}
 .. note::
    This library is currently under active development. We may make changes to the API between versions as the community provides feedback. To ensure reproducibility, please make note of the version you are developing against.