* Adds fairing-overview.md
* Adds links and next steps to fairing-overview.md
* Updates fairing-overview with reviewer suggestions
* Updates fairing-overview with reviewer suggestions
* Adds guide to installing Fairing, setting up GCP, and running the XGBoost demo notebook.
* Update gcp-local-notebook.md
Adds reviewer suggestions to correct style and product name usage.
* Update gcp-local-notebook.md
Adds user suggestions, corrects language and formatting.
* Update gcp-local-notebook.md
Updates Kubeflow set up instructions to remove references to kubectl.