Add more tricks to the monthly report HOWTO

wiki/src/blueprint/monthly_report.mdwn

@@ -91,9 +91,15 @@ Template
     Documentation and website
     =========================
 
+    XXX: Explore the Git history:
+
+             git log --patch --since='1 October' --until='1 November' origin/master -- "*.*m*"
+
     User experience
     ===============
 
+    XXX: Check the archives of tails-ux: https://mailman.boum.org/pipermail/tails-ux/
+
     Infrastructure
     ==============