[Doc][Meson] use go-md2man for update-manpage target

doc/meson.build

@@ -1,10 +1,12 @@
-ronn = find_program('ronn', required: false)
+ronn = find_program('go-md2man', required: false)
 if ronn.found()
     run_target('update-manpage',
-        command: [ ronn, '--roff', files(
+        command: [ 'meson_build_manpages.sh', files(
             'rofi.1.markdown',
             'rofi-theme-selector.1.markdown',
             'rofi-theme.5.markdown',
+            'rofi-script.5.markdown',
+            'rofi-sensible-terminal.1.markdown'
         )]
     )
 endif

doc/meson_build_manpages.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+## Did not get this working in meson directly.
+## not via generator or custom_target.
+
+pushd "${MESON_SOURCE_ROOT}"
+
+for a in $@
+do
+  go-md2man -in $a -out ${a%.markdown}
+done