Add README.md demo

mkit.ini

 [lists]
 
     group = bin
+    group = doc
     group = etc_bc
     group = libexec
     group = share
     bin     = [ENV:PREFIX]/bin
     libexec = [ENV:PREFIX]/libexec/satcmd
     share   = [ENV:PREFIX]/share/satcmd
+    doc     = [ENV:PREFIX]/share/doc/satcmd
     etc     = /etc/satcmd
     etc_bc  = /etc/bash_completion.d
 
     src/shellfu/saturnin.sh     = shellfu/saturnin.sh
     src/ini.d/main/echo.ini     = ini.d/main/echo.ini
 
+[files:doc]
+    README.md                   = README.md
+
 [rpmstuff]
     spec_skel                   = packaging/satcmd.spec

packaging/satcmd.spec

 %dir /usr/local/share/satcmd/ini.d
 %dir /usr/local/share/satcmd/ini.d/main
 %dir /usr/local/share/satcmd/shellfu
+%doc /usr/local/share/doc/satcmd/README.md
 /usr/local/bin/satcmd
 /usr/local/libexec/satcmd/satcmd-echo
 /usr/local/share/satcmd/ini.d/main/echo.ini