feat: og 메타태그 설정 (#202)

public/index.html

@@ -4,8 +4,15 @@
     <meta charset="utf-8" />
     <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
-    <meta name="description" content="Web site created using create-react-app" />
-    <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
+    <link rel="apple-touch-icon" href="%PUBLIC_URL%/favicon.ico" />
+    <meta property="og:locale" content="ko" />
+    <meta property="og:type" content="website" />
+    <meta property="og:url" content="unsunghero.netlify.app/" />
+    <meta property="og:title" content="언성 히어로" />
+    <meta property="og:site_name" content="언성 히어로" />
+    <meta property="og:description" content="🦇 말 없는 아빠들의 고민 상담소" />
+    <meta property="og:image" content="%PUBLIC_URL%/thumbnail.png" />
+    <meta name="twitter:card" content="summary" /> 
     <link rel="preconnect" href="https://fonts.googleapis.com">
 <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
 <link href="https://fonts.googleapis.com/css2?family=Black+Han+Sans&family=Do+Hyeon&family=Noto+Sans+KR:wght@400;700&display=swap" rel="stylesheet">