add documentation

debian/libh5cpp0.0.9-doc.install

+usr/share/doc/h5cpp-0.0.9/*

debian/rules

@@ -24,6 +24,8 @@ BUILDDIR:=obj-$(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
 	dh $@ --buildsystem=cmake
 
 override_dh_auto_build:
+	cd $(BUILDDIR) && make api_doc
+	cd $(BUILDDIR) && make html
 	dh_auto_build --parallel
 
 override_dh_auto_test:
@@ -35,6 +37,9 @@ override_dh_strip:
 override_dh_auto_configure:
 	dh_auto_configure -- -DCONAN=DISABLE
 
+override_dh_installdocs:
+	dh_installdocs
+
 # debmake generated override targets
 # This is example for Cmake (See http://bugs.debian.org/641051 )
 #override_dh_auto_configure: