Tidied up document using tidy-html5 (#188)

* chore: tidy up index.html

* remove TBW

---------

Co-authored-by: timcappalli <6476604+timcappalli@users.noreply.github.com>
Co-authored-by: Tim Cappalli <tim@cloudauth.dev>

Author: github-actions[bot]

index.html

@@ -64,26 +64,25 @@
     <h2>
       Introduction
     </h2>
-    <p>
-      TBW
-    </p>
     <p id="credential-type-examples">
       There are many types of digital credential that can be presented using
       this API. <dfn data-lt="credential type examples">Examples of these
       types</dfn> include:
     </p>
     <ul>
-      <li>a driving license, passport, or other identity card issued by a government
-      institution
+      <li>a driving license, passport, or other identity card issued by a
+      government institution
       </li>
       <li>a travel authorization document issued by an embassy or consulate
       </li>
       <li>a proof of employment issued by a public or private organization
       </li>
-      <li>a proof of education or professional training issued by an institution
+      <li>a proof of education or professional training issued by an
+      institution
       </li>
-      <li>and many other scenarios as described in 
-        <a href="https://www.w3.org/TR/vc-use-cases/">Verifiable Credentials Use Cases</a>
+      <li>and many other scenarios as described in <a href=
+      "https://www.w3.org/TR/vc-use-cases/">Verifiable Credentials Use
+      Cases</a>
       </li>
     </ul>
     <h2>