README: Update list of content

Use links, which gives us a bit more space to discuss the content
while still making the filename discoverable.

Signed-off-by: W. Trevor King <[email protected]>

Author: wking

README.md

@@ -1,8 +1,11 @@
 # OCI Project Template
 
-All OCI projects should have:
-* LICENSE
-* CONTRIBUTING.md
-* MAINTAINERS.md
-* MAINTAINERS_GUIDE.md
-* README
+Useful boilerplate and organizational information for all OCI projects.
+
+* README (this file)
+* [The Apache License, Version 2.0](LICENSE)
+* [A list of maintainers](MAINTAINERS)
+* [Maintainer guidelines](MAINTAINERS_GUIDE.md)
+* [Contributor guidelines](CONTRIBUTING.md)
+* [Project governance](GOVERNANCE.md)
+* [Release procedures](RELEASES.md)