Link to examples returns 404

[FantasqueX]

The example link https://bazel-contrib.github.io/rules_cuda/0.2.1/examples in https://bazel-contrib.github.io/rules_cuda/0.2.1/ returns 404. When building docs myself, there is a warning Doc file 'index.md' contains an unrecognized relative link './examples', it was left as is..

[cloudhan]

We don't have a dedicated main page for the docs, so the main page is actually generated from the README.md. But the path in the README.md is left as relative, so the user in repo can correctly jump to the blob snapshot version of the example folder.

Since it is of no consequence, this is not take cared as it just not worth it to complicate the docs gen...