Add apache.server.proxy.init.yml

Add apache metadata to configure needed modules for proxying.

Change-Id: I4f73683378272505626ab9f9b63ba607ea06f154
diff --git a/apache/server/proxy/init.yml b/apache/server/proxy/init.yml
new file mode 100644
index 0000000..06921f8
--- /dev/null
+++ b/apache/server/proxy/init.yml
@@ -0,0 +1,7 @@
+parameters:
+  apache:
+    server:
+      modules:
+        - proxy
+        - proxy_http
+        - headers