update metadata

- twitter metadata tags are for replacing / adding to opengraph, they do not need to contain duplicate data
- made favicon consistent with github org
- cleaned up urls

public/index.ejs

@@ -21,7 +21,7 @@
 
     <!-- Open Graph / Facebook -->
     <meta property="og:type" content="website" />
-    <meta property="og:url" content="https://disease.sh/" />
+    <meta property="og:url" content="https://disease.sh" />
     <meta property="og:title" content="disease.sh" />
     <meta
       property="og:description"
@@ -30,23 +30,13 @@
     />
     <meta
       property="og:image"
-      content="https://disease.sh./assets/img/rona.jpg"
+      content="https://disease.sh/assets/img/rona.jpg"
     />
 
     <!-- Twitter -->
     <meta property="twitter:card" content="summary_large_image" />
-    <meta property="twitter:url" content="https://disease.sh/" />
-    <meta property="twitter:title" content="disease.sh" />
-    <meta
-      property="twitter:description"
-      content="An open API for disease-related statistics. No signup required.
-    Over 45,000,000,000+ Requests & 50 TB of Data Served to Date!"
-    />
-    <meta
-      property="twitter:image"
-      content="https://disease.sh./assets/img/rona.jpg"
-    />
-    <link rel="icon" href="./assets/img/icon.jpg" type="image" />
+
+    <link rel="icon" href="/assets/img/icon_caw.png" type="image/png" />
     <link
       rel="stylesheet"
       href="https://cdn.jsdelivr.net/npm/[email protected]/css/bulma.min.css"
@@ -55,7 +45,6 @@
       rel="stylesheet"
       href="https://cdn.jsdelivr.net/npm/[email protected]/dist/Chart.min.css"
     />
-    <link rel="icon" href="./assets/img/virus.png" />
     <link rel="stylesheet" href="./assets/css/jsonViewer.css" />
     <link rel="stylesheet" href="./assets/css/index.css" />
   </head>
@@ -72,7 +61,7 @@
             rgba(0, 0, 0, 0.4),
             rgba(0, 0, 0, 0.4)
           ),
-          url(./assets/img/rona.jpg);
+          url(/assets/img/rona.jpg);
         background-size: cover;
         display: flex;
         transition: box-shadow 0.2s ease;
@@ -228,7 +217,7 @@
       class="hero"
       style="
         background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
-          url(./assets/img/rona.jpg);
+          url(/assets/img/rona.jpg);
         background-size: cover;
         z-index: 10;
       "