add blank targets for maps

index.html

@@ -94,8 +94,9 @@
             webserver. Notice how fast it loaded? That's what happens when a
             website is written without any libraries, tracking, or external
             fonts. This also includes a frontend for accessing the
-            <a href="https://openfreemap.org/">OpenFreeMap</a> public instance.
-            You can access that <a href="/maps">here</a>.
+            <a target="_blank" href="https://openfreemap.org/">OpenFreeMap</a>
+            public instance. You can access that
+            <a target="_blank" href="/maps">here</a>.
           </p>
           <h3>DNS Servers</h3>
           <p>