feat: Do를 사용하는 예제인 CoutDo 구현 (CC-88)

Caecae/src/Shared/Hyundux/Example_Counter/CountDo.tsx

@@ -0,0 +1,31 @@
+import { createState } from "../State";
+import { DoAction } from "../Actions";
+import State from "../State";
+import { makePayLoad } from "../Util/StoreUtil";
+
+const Do_NAME = "Count";
+
+// state type
+interface CountPayLoad {
+  count: number;
+  text: string;
+}
+
+const initCountState = createState<CountPayLoad>(Do_NAME, {
+  count: 0,
+  text: "helloWorld",
+});
+
+// actions
+const doAction = {
+  countUp: (): DoAction<CountPayLoad> => {
+    return {
+      type: Do_NAME,
+      doing: (state: State<CountPayLoad>): State<CountPayLoad> => {
+        return makePayLoad(state, { count: state.payload.count + 1 });
+      },
+    };
+  },
+};
+
+export { doAction, initCountState };