[pybliographer] build: Add README.md to automake

[Germán Poo-Caamaño <gpoo src gnome org>]

commit 3349b2ba9e69f702236733ef8ccc5bdb4cdf7700
Author: Germán Poo-Caamaño <gpoo gnome org>
Date:   Fri Aug 17 11:47:38 2018 -0300

    build: Add README.md to automake
    
    By default autotools include the README file, but not README.md

 Makefile.am | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/Makefile.am b/Makefile.am
index 2cbada9..7733f96 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -34,6 +34,7 @@ pyb_DATA = pybrc.py
 
 EXTRA_DIST = \
        pybliographer.in \
+       README.md \
        $(pyb_DATA)
 
 CLEANFILES = \