Add example config

bscreensaver.toml.example

@@ -0,0 +1,20 @@
+# Config files are searched for in this order:
+#
+#    $XDG_CONFIG_DIRS/bscreensaver/bscreensaver.toml
+#    $XDG_CONFIG_HOME/bscreensaver/bscreensaver.toml
+#
+# Settings specified in files later in the search path override
+# settings from prior files.  $XDG_CONFIG_DIRS (default /etc/xdg/) is a
+# colon-separated list of directories, while $XDG_CONFIG_HOME (default
+# $HOME/.config/) is a single directory.
+
+# Lock the screen after this amount of time of no user activity
+lock-timeout = "10m"
+# Blank the screen this amount of time before locking (must be less
+# than 'lock-timeout')
+blank-before-locking = "1m"
+# Backend to use for the unlock dialog.  Current options: 'gtk3'
+dialog-backend = "gtk3"
+# Adds a 'New Login' button to the unlock dialog that will run the
+# specified command when clicked
+new-login-command = "dm-tool switch-to-greeter"