fix : some pictures link fixed.

Author: sadrasabouri

README.md

@@ -7,7 +7,7 @@ Playing mafia game made easy simply by having:
 
 There you go, lets play some mafia :sunglasses:.
 
-<img src="https://raw.githubusercontent.com/sadrasabouri/mafia/README_update/doc/Pictures/mafia_game.png">
+<img src="https://raw.githubusercontent.com/sadrasabouri/mafia/master/doc/Pictures/mafia_game.png">
 
 ## Usage
 After cloning into mafia using command bellow:
@@ -47,7 +47,7 @@ There you go, now each player can open a browser and type `serverhost:port_name`
 In defualt mode your address should be `server_ip:5000`.
 | What player should see in the browser |
 |:-------------------------------------:|
-| <img width="324" height="576" src="https://raw.githubusercontent.com/sadrasabouri/mafia/README_update/doc/Pictures/mobile_browser.png"> |
+| <img width="324" height="576" src="https://raw.githubusercontent.com/sadrasabouri/mafia/master/doc/Pictures/mobile_browser.png"> |
 
 4. <b>Tracing roles from commandline</b>
 
@@ -56,7 +56,7 @@ players should inform the GOD with thier unique id so that GOD can find who is w
 
 | What GOD should see in the CLI |
 |:------------------------------:|
-| <img width="435" height="204" src="https://raw.githubusercontent.com/sadrasabouri/mafia/README_update/doc/Pictures/CLI.png"> |
+| <img width="435" height="204" src="https://raw.githubusercontent.com/sadrasabouri/mafia/master/doc/Pictures/CLI.png"> |
 
 ## Game Rules
 Mafia is a social deduction game, created by Dimitry Davidoff in 1986. The game models a conflict between two groups: an informed minority (the mafia team), and an uninformed majority (the Residents).