feat(lock): add betterlockscreen config

betterlockscreen/betterlockscreenrc

@@ -0,0 +1,17 @@
+# ~/.config/betterlockscreenrc
+
+# default options
+display_on=0
+span_image=false
+fx_list=(blur)
+dim_level=40
+blur_level=1
+wallpaper_cmd="feh --bg-fill"
+quiet=false
+
+# i3lockcolor_bin="i3lock-color"      # Manually set command for i3lock-color
+suspend_command="sudo zzz"
+
+# i3lock-color - custom arguments
+# lockargs=() 						  # overwriting default "(-n)"
+# lockargs+=(--ignore-empty-password) # appending new argument