docs: Use self created tailwind.css file

docs/index.html

@@ -9,7 +9,7 @@
 	<meta name="description" content="">
 	<meta name="keywords" content="">
 	<link rel="icon" type="image/png" href="favicon.png">
-	<link rel="stylesheet" href="https://unpkg.com/tailwindcss/dist/tailwind.min.css">
+	<link rel="stylesheet" href="tailwind.css">
 	<!-- Animation CSS-->
 	<style>
 		@font-face {