Basic readme and main.ts

src/main.ts

@@ -1,3 +1,11 @@
 export function loop() {
+
+  // Clear non-existing creep memory.
+  for(let name in Memory.creeps) {
+    if(!Game.creeps[name]) {
+      delete Memory[name];
+    }
+  }
+
   console.log(`Current tick is ${Game.time}`);
 }