feat : add hooks/useMonthlyProfit.js (#83)

월별 수익 API 추가

hooks/useMonthlyProfit.js

@@ -0,0 +1,21 @@
+import { useEffect, useState } from "react";
+import statisticsService from "services/statistics.service";
+
+const useGetMonthlyProfit = (id) => {
+    const [data, setData] = useState(""); 
+
+    useEffect(() => {
+        const getMonthlyProfit = async() => {
+            if (id !== undefined) {
+                const fetchData = await statisticsService.getMonthlyProfit(id);
+                setData(fetchData);
+            }
+        }
+
+        getMonthlyProfit();
+    }, [id]);
+
+    return data;
+}
+
+export default useGetMonthlyProfit;