add : 5 new roles added to the game.

Author: sadrasabouri

README.md

@@ -5,8 +5,11 @@
 | Role            | image(s)                                                                                                                                |
 | :-------------: |:----------------------------------------------------------------------------------------------------------------------------:           |
 |      Don        | <img width="100" height="100" src="https://raw.githubusercontent.com/sadrasabouri/mafia/master/static/images/roles/Don.png">            |
-|     Doctor      | <img width="100" height="100" src="https://raw.githubusercontent.com/sadrasabouri/mafia/master/static/images/roles/Doctor_1.png"><img width="100" height="100" src="https://raw.githubusercontent.com/sadrasabouri/mafia/master/static/images/roles/Doctor_2.png">       |
-|     Resident    | <img width="100" height="100" src="https://raw.githubusercontent.com/sadrasabouri/mafia/master/static/images/roles/Resident_1.png">     |
+|     Mafia       | <img width="100" height="100" src="https://raw.githubusercontent.com/sadrasabouri/mafia/master/static/images/roles/Mafia_1.png"><img width="100" height="100" src="https://raw.githubusercontent.com/sadrasabouri/mafia/master/static/images/roles/Mafia_2.png">                                                          |
+|      Rebel      | <img width="100" height="100" src="https://raw.githubusercontent.com/sadrasabouri/mafia/master/static/images/roles/Rebel_1.png">        |
+|     Doctor      | <img width="100" height="100" src="https://raw.githubusercontent.com/sadrasabouri/mafia/master/static/images/roles/Doctor_1.png"><img width="100" height="100" src="https://raw.githubusercontent.com/sadrasabouri/mafia/master/static/images/roles/Doctor_2.png">                                            |
+|    Detective    | <img width="100" height="100" src="https://raw.githubusercontent.com/sadrasabouri/mafia/master/static/images/roles/Detective_1.png">    |
+|     Resident    | <img width="100" height="100" src="https://raw.githubusercontent.com/sadrasabouri/mafia/master/static/images/roles/Resident_1.png"><img width="100" height="100" src="https://raw.githubusercontent.com/sadrasabouri/mafia/master/static/images/roles/Resident_2.png">                                          |
 
 ### References
 Icons made by <a href="https://www.flaticon.com/authors/vectors-market" title="Vectors Market">Vectors Market</a> from <a href="https://www.flaticon.com/" title="Flaticon"> www.flaticon.com</a>