i want to create a simple puzzle extension which is help to users to relieve stress while surfing internet or do work in Mozilla Firefox. Is that any source or API available for help my coding to create this extension?
This should help:
i want to create a simple puzzle extension which is help to users to relieve stress while surfing internet or do work in Mozilla Firefox. Is that any source or API available for help my coding to create this extension?
This should help: