doc: add foot.1 man page

doc/foot.1.scd

@@ -0,0 +1,29 @@
+foot(1)
+
+# NAME
+foot - Wayland terminal emulator
+
+# SYNOPSIS
+*foot* [_OPTIONS_]...
+
+# OPTIONS
+
+*-f*,*--font*=_FONT_
+	Font and style to use, in fontconfig format. See *FONT
+	FORMAT*. Default: _monospace_.
+
+*-t*,*--term*=_TERM_
+	Value to set the environment variable _TERM_ to. Default: _foot_.
+
+*-v*,*--version*
+	Show the version number and quit
+
+
+# FONT FORMAT
+
+The font is specified in FontConfig syntax. That is, a colon-separated
+list of font name and font options.
+
+_Examples_:
+- Dina:weight=bold:slant=italic
+- Arial:size=12

doc/meson.build

@@ -0,0 +1,18 @@
+scdoc = dependency('scdoc', native: true)
+scdoc_prog = find_program(scdoc.get_pkgconfig_variable('scdoc'), native: true)
+
+foreach man_src : ['foot.1.scd']
+  parts = man_src.split('.')
+  name = parts[-3]
+  section = parts[-2]
+  out = '@0@.@1@'.format(name, section)
+
+  custom_target(
+    out,
+    output: out,
+    input: man_src,
+    command: [sh, '-c', '@0@ < @INPUT@'.format(scdoc_prog.path())],
+    capture: true,
+    install: true,
+    install_dir: join_paths(get_option('mandir'), 'man@0@'.format(section)))
+endforeach

meson.build

@@ -110,3 +110,5 @@ custom_target(
   install_dir: join_paths(get_option('datadir'), 'terminfo'))
 
 install_data('foot.desktop', install_dir: join_paths(get_option('datadir'), 'applications'))
+
+subdir('doc')