add escape to key IDs

src/Configuration.cpp

@@ -26,7 +26,6 @@ void Configuration::set_defaults()
         {"right", "right"},
         {"down", "down"},
         {"left", "left"},
-        {"pause", "enter"},
         {"fullscreen", {"ALT", "enter"}},
         {"reset", {"CTRL", "r"}}
     };

src/Input.hpp

@@ -51,7 +51,8 @@ private:
         {"f11", SDLK_F11},
         {"f12", SDLK_F11},
         {"enter", SDLK_RETURN},
-        {"space", SDLK_SPACE}
+        {"space", SDLK_SPACE},
+        {"escape", SDLK_ESCAPE}
     };
     std::vector<KeyCombination> key_map;
     bool suppressed = false;