Add registry 2.5.0 rc 1

Signed-off-by: Richard Scothern <[email protected]>

library/registry

@@ -6,3 +6,4 @@
 2: git://github.com/docker/distribution-library-image@5cbbc8d1e6046cef5938e3380fd2a5fbd854f921
 2.4: git://github.com/docker/distribution-library-image@5cbbc8d1e6046cef5938e3380fd2a5fbd854f921
 2.4.1: git://github.com/docker/distribution-library-image@5cbbc8d1e6046cef5938e3380fd2a5fbd854f921
+2.5.0-rc.1: git://github.com/docker/distribution-library-image@98cf3dfbb2b811d5516f5409d5d5b804a72b478d