Add support for standalone prometheus

Add federation target

Partial-fix: PROD-17350

Change-Id: Ia08e7b2203fb2df73e57073bf56c24f19cc0c4b7
diff --git a/prometheus/server/target/federation/all_metrics.yml b/prometheus/server/target/federation/all_metrics.yml
new file mode 100644
index 0000000..f6a4ae3
--- /dev/null
+++ b/prometheus/server/target/federation/all_metrics.yml
@@ -0,0 +1,9 @@
+parameters:
+  prometheus:
+    server:
+      target:
+        static:
+          prometheus_federation:
+            params:
+              match[]:
+                - '{__name__=~".+"}'