[installation] Init with inital config for global

etc/defaults/scmv.cfg

@@ -0,0 +1,13 @@
+# Enable maps legends
+scheme.map.showLegends = true
+
+# Messaging subscriptions
+connection.subscriptions = AMPLITUDE, PICK, EVENT, LOCATION, MAGNITUDE, QC, CONFIG
+
+# Sets the location of the map symbol legend (QC, ground motion).
+# Use either: topleft, topright, bottomright or bottomleft.
+mapLegendPosition = topleft
+
+# Sets the location of the event symbol legend. Use either:
+# topleft, topright, bottomright or bottomleft.
+eventLegendPosition = bottomleft