update theme color

Author: EdwinChang24

display/src/webMain/resources/index.html

@@ -25,7 +25,7 @@
             name="twitter:image"
             content="https://shengji.edwinchang.dev/social/sheng-ji-display-twitter.jpg"
         />
-        <meta name="theme-color" content="#990000" />
+        <meta name="theme-color" content="#000000" />
         <link rel="manifest" href="/app.webmanifest" />
         <link
             rel="preload"

website/src/layouts/Layout.astro

@@ -39,7 +39,7 @@ const {
         <meta name="twitter:title" content={title} />
         <meta name="twitter:description" content={description} />
         <meta name="twitter:image" content={twitterImage} />
-        <meta name="theme-color" content="#990000" />
+        <meta name="theme-color" content="#000000" />
         <meta name="darkreader-lock" />
         <link rel="preconnect" href="https://rsms.me/" />
         <link rel="stylesheet" href="https://rsms.me/inter/inter.css" />