Document changes and release 6

debian/changelog

+librem5-base (6) amber-phone; urgency=medium
+
+  [ Guido Günther ]
+  * Unlock sim by default
+  * Add gnome-usage (Closes: #23)
+
+  [ David Boddie ]
+  * Update Homepage and Source URLs
+
+  [ Bob Ham ]
+  * librem5-base-defaults: Remove phone-voice-call-audio.target
+  * librem5-base-defaults: Fix Breaks: fields for wys and haegtesse
+
+ -- Bob Ham <bob.ham@puri.sm>  Fri, 22 Nov 2019 09:27:24 +0000
+
 librem5-base (5) amber-phone; urgency=medium
 
   * Add gnome-debug-recommends-all