Merge pull request #881 from vbatts/perma-url

*: update link to v1.0.0

Author: Mrunal Patel

schema/README.md

@@ -43,5 +43,5 @@ Then use it like:
 Or like:
 
 ```bash
-./validate https://raw.githubusercontent.com/opencontainers/runtime-spec/v1.0.0-rc1/schema/schema.json <yourpath>/config.json
+./validate https://raw.githubusercontent.com/opencontainers/runtime-spec/v1.0.0/schema/schema.json <yourpath>/config.json
 ```