Added modules

modules/postgresql/manifests/lib/devel.pp

@@ -0,0 +1,15 @@
+# This class installs postgresql development libraries. See README.md for more
+# details.
+class postgresql::lib::devel(
+  $package_name   = $postgresql::params::devel_package_name,
+  $package_ensure = 'present'
+) inherits postgresql::params {
+
+  validate_string($package_name)
+
+  package { 'postgresql-devel':
+    ensure => $package_ensure,
+    name   => $package_name,
+    tag    => 'postgresql',
+  }
+}