Merge branch '7-fix-fdroid-link' into 'master'

Fix F-Droid link

Closes #7

See merge request akwizgran/website!7

fdroid.html

@@ -52,7 +52,7 @@
         <div class="full">
           <h2>Installing Briar via F-Droid</h2>
 
-          <p>1) Install the <a href="https://fdroid.org/">F-Droid app</a>.
+          <p>1) Install the <a href="https://f-droid.org/">F-Droid app</a>.
 
           <p>2) Open <a href="https://briarproject.org/fdroid/repo?fingerprint=1FB874BEE7276D28ECB2C9B06E8A122EC4BCB4008161436CE474C257CBF49BD6">this link</a> on your mobile device. (If you're using Firefox, long-click the link and choose <b>Open with F-Droid App</b>.)</p>