[Style] Combine Grid/GridHead/Month

@@ -22,4 +22,4 @@ npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
 .prettierignore
-server/libs/login.pvdata
+*.pvdata

-import { CalendarStateContext } from "../pages/Calendar";
-import { moveDate, toSunday } from "../utils/Dates";
-
-import React, { useContext } from "react";
-import GridItem from "./GridItem.js";
-
-const Grid = () => {
-  const { state } = useContext(CalendarStateContext);
-
-  const renderItems = () => {
-    const items = [];
-    const ndate = new Date(state.date);
-    ndate.setDate(1);
-    toSunday(ndate);
-
-    for (let i = 0; i < 35; i++) {
-      items.push(<GridItem key={i} targetDate={new Date(ndate)} />);
-      moveDate(ndate, "day", 1);
-    }
-
-    return items;
-  };
-
-  return <div className="Grid">{renderItems()}</div>;
-};
-
-export default Grid;

-const GridHead = () => {
-  const days = ["일", "월", "화", "수", "목", "금", "토"];
-  const renderItems = () => {
-    const items = [];
-    for (let i = 0; i < 7; i++) {
-      items.push(
-        <div className="GridHeadItem" key={i}>
-          {days[i]}
-        </div>
-      );
-    }
-    return items;
-  };
-
-  return <div className="GridHead">{renderItems()}</div>;
-};
-
-export default GridHead;

-import Grid from "./Grid";
-import GridHead from "./GridHead";
+import React, { useContext } from "react";
+import GridItem from "./GridItem.js";
+
+import { CalendarStateContext } from "../pages/Calendar";
+import { moveDate, toSunday } from "../utils/Dates";
 import "../styles/Month.css";
 
+const GridHead = () => {
+  const days = ["일", "월", "화", "수", "목", "금", "토"];
+  const renderItems = () => {
+    const items = [];
+    for (let i = 0; i < 7; i++) {
+      items.push(
+        <div className="GridHeadItem" key={i}>
+          {days[i]}
+        </div>
+      );
+    }
+    return items;
+  };
+
+  return <div className="GridHead">{renderItems()}</div>;
+};
+
+const Grid = () => {
+  const { state } = useContext(CalendarStateContext);
+
+  const renderItems = () => {
+    const items = [];
+    const ndate = new Date(state.date);
+    ndate.setDate(1);
+    toSunday(ndate);
+
+    for (let i = 0; i < 35; i++) {
+      items.push(<GridItem key={i} targetDate={new Date(ndate)} />);
+      moveDate(ndate, "day", 1);
+    }
+
+    return items;
+  };
+
+  return <div className="Grid">{renderItems()}</div>;
+};
+
 const Month = () => {
   return (
     <div className="Month">