use the trick of copying the rst doc as README.rst in the repo root,

so that README appears in the project front page of a public repo

Makefile.am

@@ -14,6 +14,12 @@ MAINTAINERCLEANFILES = $(dist_man_MANS)
 
 vmod_blobcode.3: README.rst
 
+README.rst: src/vmod_blobcode.man.rst
+	cp src/vmod_blobcode.man.rst README.rst
+
+src/vmod_blobcode.man.rst:
+	make -C src vmod_blobcode.man.rst
+
 %.1 %.2 %.3 %.4 %.5 %.6 %.7 %.8 %.9:
 if HAVE_RST2MAN
 	${RST2MAN} $< $@

README.rst

-src/vmod_blobcode.man.rst
\ No newline at end of file