Adds some more resources

website/getting-started.htm

@@ -30,6 +30,17 @@
             </ul>
         </div>
 
+        <div>
+            <h2>generic zig learning material</h2>
+
+            <ul class="bars">
+                <li><a href="https://ziglang.org/documentation/master/">Language reference</a></li>
+                <li><a href="https://ziglearn.org/">Ziglearn</a></li>
+                <li><a href="https://github.com/ratfactor/ziglings">Ziglings</a></li>
+                <!-- <li><a href=""></a></li> -->
+            </ul>
+        </div>
+
         <div>
             <h2>external tutorials</h2>