add lua function block/unbloc bindings

src/window/Events.cpp

@@ -78,6 +78,9 @@ void Events::pollEvents() {
 
     for (auto& entry : bindings) {
         auto& binding = entry.second;
+        if (!binding.enable) {
+            continue;
+        }
         binding.justChange = false;
 
         bool newstate = false;

src/window/input.hpp

@@ -137,6 +137,7 @@ struct Binding {
     int code;
     bool state = false;
     bool justChange = false;
+    bool enable = true;
 
     Binding() = default;
     Binding(inputtype type, int code) : type(type), code(code) {