fix(install): octave.nanorc missing in .nano/nanorc

Originally proposed in scopatz#406

Author: KaKooDa

nanorc

@@ -53,6 +53,7 @@ include "~/.nano/nanorc.nanorc"
 include "~/.nano/nginx.nanorc"
 include "~/.nano/nmap.nanorc"
 include "~/.nano/ocaml.nanorc"
+include "~/.nano/octave.nanorc"
 include "~/.nano/patch.nanorc"
 include "~/.nano/peg.nanorc"
 include "~/.nano/perl.nanorc"