swaybg: add manpage

meson.build

@@ -107,6 +107,7 @@ if scdoc.found()
 		'sway/sway-input.5.scd',
 		'sway/sway-ipc.7.scd',
 		'sway/sway-output.5.scd',
+		'swaybg/swaybg.1.scd',
 		'swaymsg/swaymsg.1.scd',
 		'swaynag/swaynag.1.scd',
 		'swaynag/swaynag.5.scd',

swaybg/swaybg.1.scd

@@ -0,0 +1,44 @@
+swaybg(1)
+
+# NAME
+
+swaybg - Background for Wayland
+
+# SYNOPSIS
+
+*swaybg* [options...]
+
+Displays a background image on all outputs of your Wayland session.
+
+Without an output specified, appearance options apply to all outputs.
+Per-output appearance options can be set by passing _-o, --output_ followed by
+these options.
+
+# OPTIONS
+
+*-c, --color* <rrggbb[aa]>
+	Set the background color.
+
+*-h, --help*
+	Show help message and quit.
+
+*-i, --image* <path>
+	Set the background image.
+
+*-m, --mode* <mode>
+	Scaling mode for images: _stretch_, _fill_, _fit_, _center_, or _tile_. Use
+	the additional mode _solid\_color_ to display only the background color,
+	even if a background image is specified.
+
+*-o, --output* <name>
+	Select an output to configure. Subsequent appearance options will only
+	apply to this output. The special value _\*_ selects all outputs.
+
+*-v, --version*
+	Show the version number and quit.
+
+# AUTHORS
+
+Maintained by Drew DeVault <sir@cmpwn.com>, who is assisted by other open
+source contributors. For more information about swaybg development, see
+https://github.com/swaywm/sway.