Update interfaces/toolbars/firefox/README
Update interfaces/toolbars/firefox/README

Former-commit-id: b998d8fd5f0603cb74865266610e5eda9f03501b
muslih/alfanous,muslih/alfanous,muslih/alfanous,muslih/alfanous,muslih/alfanous,muslih/alfanous,muslih/alfanous