message: docs(docs-infra): add missing period in `aio/README.md`
  PR Close
diff: Everything in this folder is part of the documentation project. This includes:
  -* the web site for displaying the documentation
  +* the web site for displaying the documentation.
  * the dgeni configuration for converting source files to rendered files that can be viewed in the web site.
  * the tooling for setting up examples for development; and generating live-example and zip files from the examples.
  