Add trademark&logo statement to plugin description

src/main/resources/META-INF/plugin.xml

@@ -39,6 +39,17 @@
 		Please note that the JSON features are limited, as they are provided by IntelliJ JSON support combined with JSON
 		schemas packaged in the plugin. Especially error detection is extremely limited, as are inspection.
 	</p>
+	<h3>Trademarks, Logo's, etc.</h3>
+	<p>
+		The pigeon logo was created by Emma K (<a href="https://github.com/emmak3l">emmak3l</a> on GitHub), and is used
+		for this plugin with permission. She is also the creator of the
+		<a href="https://avro.apache.org/">Apache Avro</a> logo.
+	</p>
+	<p>
+		The names Apache Avro, Avro™, Apache®, and the Apache Avro paper plane logo are either registered trademarks or
+		trademarks of The Apache Software Foundation. They are used in this plugin to signal intended compatibility, and
+		are not intended to suggest endorsement.
+	</p>
 	]]></description>
 
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