Merge pull request #68 from KrasnayaPloshchad/patch-1

Add a download link for Font Pack

Author: tuxor1337

document-viewer/src/main/assets/about/en/fonts.html

@@ -8,7 +8,7 @@
 	Standard Android fonts are used instead.
 	If you wish to restore legacy fonts or install custom fonts, please use font package installers:
 	<ul>
-		<li>Currently not available!</li>
+		<li><a href="https://f-droid.org/repository/browse/?fdid=org.sufficientlysecure.viewer.fontpack">F-Droid</a></li>
 	</ul>
 </body>
-</html>
+</html>