Clean up the DinkyECSso that it's easier to understand and more obvious what a fact vs. component is.

combat.cpp

@@ -1,7 +1,7 @@
 #include "combat.hpp"
 #include "rand.hpp"
 
-int Combat::fight(Combat &target) {
+int Combat::attack(Combat &target) {
   int attack = Random::uniform<int>(0,1);
   int my_dmg = 0;