Add support for standalone prometheus

Add federation target

Partial-fix: PROD-17350

Change-Id: Ia08e7b2203fb2df73e57073bf56c24f19cc0c4b7
diff --git a/prometheus/server/standalone.yml b/prometheus/server/standalone.yml
new file mode 100644
index 0000000..cdddb9a
--- /dev/null
+++ b/prometheus/server/standalone.yml
@@ -0,0 +1,7 @@
+classes:
+- service.prometheus.server.standalone
+parameters:
+  prometheus:
+    server:
+      version: 2.0
+