Feat: header.js, footer.js 추가

header,footer component 추가
purify.js.map 에러 해결(client폴더 pakage.json script->start -> set \"GENERATE_SOURCEMAP=false)
nhn/tui.editor#2137

client/package.json

@@ -19,7 +19,7 @@
     "web-vitals": "^2.1.4"
   },
   "scripts": {
-    "start": "react-scripts start",
+    "start": "set \"GENERATE_SOURCEMAP=false\" && react-scripts start",
     "build": "react-scripts build",
     "test": "react-scripts test",
     "eject": "react-scripts eject"

client/src/components/footer.js

@@ -0,0 +1,11 @@
+const MyHeader = () => {
+    return (
+        <div>
+            <footer id="footer">
+						<p class="copyright">&copy; enterprise1 BS Team</p>
+			</footer>
+        </div>
+    );
+  }
+
+  export default MyHeader;

client/src/components/header.js

@@ -0,0 +1,16 @@
+const MyHeader = () => {
+    return (
+        <div>
+            <header id='header'>
+                <div id='logo'>
+                    <img src={''} alt='logo'></img>
+                </div>
+                <div className='buttonGroup'>
+                    <button className='button small'>글쓰기</button>
+                </div>
+            </header>
+        </div>
+    );
+  }
+
+  export default MyHeader;