Add publication image, change website name

public/demos.html

@@ -5,7 +5,7 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
   <meta name="description" content="">
-  <title>UGL Website</title>
+  <title>FGDI Website</title>
   <meta charset="utf-8">
   <meta name="generator" content="GitLab Pages">
   <link rel="stylesheet" href="./css/bootstrap.min.css">