Update index.html to add a link to https://github.com/EDCD/fd-api

Author: Tkael

index.html

@@ -135,7 +135,8 @@ <h3>Members</h3>
         <h3>Information</h3>
         <ul>
           <li>CMDRs Guide: <a href="cmdrs-guide.html">GO</a> - The simplest guide for all CMDRs to contribute data.</li>
-          <li>Frontier IDs: <a href="https://github.com/EDCD/FDevIDs">github.com/EDCD/FDevIDs</a> - A collection of IDs and Symbols used by Frontiers API or Journal.</li>
+          <li>Frontier API: <a href="https://github.com/EDCD/fd-api">https://github.com/EDCD/fd-api</a> - Information about the Frontier API (Companion API).</li>
+          <li>Frontier IDs: <a href="https://github.com/EDCD/FDevIDs">github.com/EDCD/FDevIDs</a> - A collection of IDs and Symbols used by Frontier's API or Journal.</li>
           <li>EDDN How-to: <a href="https://github.com/EDCD/EDDN/blob/live/README.md#using-eddn">https://github.com/EDCD/EDDN/blob/live/README.md#using-eddn</a> - Information about how to send or receive EDDN messages.</li>
         </ul>