move inline script to remove console warnings

Author: medyo

public/index.html

@@ -7,14 +7,7 @@
     <meta name="theme-color" content="#000000" />
     <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
     <link rel="preconnect" href="https://hackertab.dev" />
-    <script>
-      // Blocking script to avoid the initial background flickering (switching from light to dark)
-      // https://stackoverflow.com/a/63033934/3495717
-      try {
-        var theme = JSON.parse(localStorage.hackerTabPrefs).theme || 'dark'
-        document.documentElement.classList.add(theme)
-      } catch (e) { console.log(e) }
-    </script>
+
     <% if (!!+process.env.REACT_APP_WEB_BUILD) { %>
       <title>Hackertab</title>
       <link rel="manifest" href="%PUBLIC_URL%/web_manifest.json" />

public/startup.js

@@ -0,0 +1,8 @@
+// Blocking script to avoid the initial background flickering (switching from light to dark)
+// https://stackoverflow.com/a/63033934/3495717
+try {
+  var theme = JSON.parse(localStorage.hackerTabPrefs).theme || 'dark'
+  document.documentElement.classList.add(theme)
+} catch (e) {
+  console.log(e)
+}