about: add links

Change-Id: Ie1e6d242541d794728011b902324a402911f8855
diff --git a/ring-android/app/src/main/res/values/strings.xml b/ring-android/app/src/main/res/values/strings.xml
index 89f8f99..cf89ec0 100644
--- a/ring-android/app/src/main/res/values/strings.xml
+++ b/ring-android/app/src/main/res/values/strings.xml
@@ -24,9 +24,11 @@
     <string name="app_name" translatable="false">Jami</string>
     <string name="app_author" translatable="false">Savoir-faire Linux Inc.</string>
     <string name="app_release" translatable="false">Live Free or Die - %1$s</string>
+    <string name="app_website" translatable="false">https://jami.net</string>
     <string name="app_website_contribute" translatable="false"><u>https://jami.net/contribute</u></string>
     <string name="gnu_license_website" translatable="false">https://www.gnu.org/licenses/gpl.html</string>
     <string name="ring_contribute_website" translatable="false">https://jami.net/contribute</string>
+    <string name="savoirfairelinux_website" translatable="false">https://savoirfairelinux.com</string>
 
     <string name="copyright" translatable="false">2004&#8211;2018 Savoir-faire Linux Inc.</string>
     <string name="feedback_section">Feedback</string>