Add readme build script

diff --git a/bin/build_readme.sh b/bin/build_readme.sh
new file mode 100755 (executable)
index 0000000..b73a032
--- /dev/null
+++ b/bin/build_readme.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+cat doc/src/overview.rst doc/src/architecture.rst doc/src/install.rst doc/src/development.rst doc/src/maintenance.rst doc/src/copyright.rst doc/src/license.rst > README.rst
+echo "Build finished. The README.rst file is up to date."