Change filename of default settings, so that editted settings are separate

INSTALL.md

@@ -77,9 +77,10 @@ Create a PostgreSQL database:
 
     $ createdb --encoding=UTF8 --owner=vervis vervis
 
-Update `config/settings.yml` to specify correct database connection details and
-other settings.
+Update the settings to specify correct database connection details and other
+settings.
 
+    $ cp config/settings-default.yaml config/settings.yml
     $ vim config/settings.yml
 
 Build.

_boring

@@ -123,6 +123,7 @@
 ^yesod-devel(/|$)
 
 ### vervis
+^config/settings\.yml$
 ^config/ssh-host-key$
 ^config/ssh-host-key\.pub$
 ^repos(/|$)