update Readme and add yum repo

manifests/main/yumrepo.pp

@@ -5,10 +5,9 @@
 ###############################################################################
 class puppet_cd::main::yumrepo (
 
-) inherits puppet_cd::params  {
-
+) inherits puppet_cd::params {
   # install repo rpm, which will install all the yum repos
   package { $pt_package_url:
-    ensure => $pt_pkg_ensure
+    ensure => $pt_pkg_ensure,
   }
 }