Add text about no further development

README.md

@@ -6,6 +6,12 @@ pinentry-dmenu is a pinentry program with the charm of [dmenu](https://tools.suc
 This program is a fork from [spine](https://gitgud.io/zavok/spine.git) which is also a fork from [dmenu](https://tools.suckless.org/dmenu).
 
 
+NO FURTHER DEVELOPMENT
+----------------------
+
+This project is no longer under development. If you have another opinion feel free to fork it.
+
+
 Requirements
 ------------
 In order to build dmenu you need the Xlib header files.