Localhost detector

"localhost" let match in the 4. red other "staging." ".test" 5. you 9. the "dev." "test." "local." 2. me 6. to string 3. url red checks and the 8. ".local" banner: want should and add ".stg" banner. any know, 7. show 1. adds if following the that it "127.0.0.1"