Add social deduction game

Author: Arahan-kujur

open_spiel/games/CMakeLists.txt

@@ -202,6 +202,8 @@ set(GAME_SOURCES
   skat/skat.h
   snake/snake.cc
   snake/snake.h
+  social_deduction/social_deduction.cc
+  social_deduction/social_deduction.h
   solitaire/solitaire.cc
   solitaire/solitaire.h
   spades/spades.cc
@@ -699,6 +701,10 @@ add_executable(snake_test snake/snake_test.cc ${OPEN_SPIEL_OBJECTS}
                $<TARGET_OBJECTS:tests>)
 add_test(snake_test snake_test)
 
+add_executable(social_deduction_test social_deduction/social_deduction_test.cc ${OPEN_SPIEL_OBJECTS}
+               $<TARGET_OBJECTS:tests>)
+add_test(social_deduction_test social_deduction_test)
+
 add_executable(solitaire_test solitaire/solitaire_test.cc ${OPEN_SPIEL_OBJECTS}
                $<TARGET_OBJECTS:tests>)
 add_test(solitaire_test solitaire_test)