Use tape yellow swatch as first og:image (#4)

index.html

@@ -4,6 +4,9 @@
 <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
 <title>v o l u m e // Pump up font volume</title>
 <meta name="description" content="Bombin CSS lyrics like Eminem would hear it. Opensource creative code baked @s9a on Github">
+<meta property="og:image" content="https://user-images.githubusercontent.com/949985/45123856-205e0280-b11d-11e8-805e-9f52d27ef479.png">
+<meta property="og:image:alt" content="#eee833 swatch">
+
 <link rel="stylesheet" href="volume.css">
 <link rel="stylesheet" href="demo.css">
 <link rel="stylesheet" href="https://unpkg.com/@s9a/[email protected]/tape.css">