Add release notes for an queens intermediate release.

Change-Id: If1a9518e624d4d48a82daf8541d7db15d8040cb4
diff --git a/releasenotes/notes/intermediate-queens-release-2f9f305775fca454.yaml b/releasenotes/notes/intermediate-queens-release-2f9f305775fca454.yaml
new file mode 100644
index 0000000..1493b0b
--- /dev/null
+++ b/releasenotes/notes/intermediate-queens-release-2f9f305775fca454.yaml
@@ -0,0 +1,4 @@
+---
+prelude: >
+    This is an intermediate release during the Queens development cycle to
+    make new functionality available to plugins and other consumers.