fix(frontend): use Fluent Emoji instead of Twemoji (broken)

src/backend/views/frontend.pug

@@ -12,7 +12,7 @@ html
         meta(property="og:site_name" content="Misskey Tools with LycheeBridge")
         meta(property="og:description" content=desc)
         meta(property="og:type" content="website")
-        meta(property="og:image" content="https://t.psec.dev/assets/misskey.png")
+        meta(property="og:image" content="/assets/misskey.png")
         link(rel="icon", href="/assets/lcb.png", type="image/png")
         link(rel="preload", href="/assets/otadesign_rounded.woff")
         link(rel="preload", href="/assets/otadesign_rounded.woff2")
@@ -21,7 +21,7 @@ html
         link(rel="stylesheet", href="/assets/style.css")
         script(src="https://unpkg.com/twemoji@latest/dist/twemoji.min.js" crossorigin="anonymous")
     body
-        #app: .loading 불러오는 중입니다...
+        #app: .loading 잠시만 기다려주세요...
 
         if token
             script.