Add ansman/kotshi to the list of projects (#326)

Author: ansman

README.md

@@ -166,6 +166,7 @@ All code generated by the KSP processor will be written into the `KotlinCompilat
 - [Guardsquare/proguard](https://github.com/Guardsquare/proguard)
 - [komapper/komapper](https://github.com/komapper/komapper)
 - [SimonMarquis/SealedObjectInstances](https://github.com/SimonMarquis/SealedObjectInstances)
+- [ansman/kotshi](https://github.com/ansman/kotshi)
 - your project...
 
 ## Java 16 compatibility