fix images

Author: greggman

build/templates/index.template

@@ -11,18 +11,18 @@
 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
 <meta property="og:title" content="%(title)s" />
 <meta property="og:type" content="website" />
-<meta property="og:image" content="https://greggman.github.io/webgpu-utils/resources/images/twgljs.png" />
+<meta property="og:image" content="https://greggman.github.io/webgpu-utils/resources/images/webgpu-utils.png" />
 <meta property="og:description" content="webgpu-utils, a WebGPU helper library" />
 <meta property="og:url" content="https://greggman.github.io/webgpu-utils/" />
 
 <meta name="twitter:card" content="summary_large_image">
 <meta name="twitter:site" content="@greggman">
 <meta name="twitter:creator" content="@greggman">
-<meta name="twitter:domain" content="twgljs.org">
-<meta name="twitter:title" content="TWGL.js">
+<meta name="twitter:domain" content="greggman.github.io">
+<meta name="twitter:title" content="webgpu-utils">
 <meta name="twitter:url" content="https://greggman.github.io/webgpu-utils/">
 <meta name="twitter:description" content="webgpu-utils, a WebGPU helper library">
-<meta name="twitter:image:src" content="https://greggman.github.io/webgpu-utils/resources/images/twgljs.png">
+<meta name="twitter:image:src" content="https://greggman.github.io/webgpu-utils/resources/images/webgpu-utils.png">
 
 
 <title>%(title)s</title>