Google Slides API - Getting Started in Go

A simple Go example that covers:

• Slides API: https://developers.google.com/slides/
• Quickstart: https://developers.google.com/slides/quickstart/go
• Creating and Managing Presentations https://developers.google.com/slides/how-tos/presentations
• Basic writing: adding a text box to slide: https://developers.google.com/slides/samples/writing
• Adding Shapes and Text to a Slide: https://developers.google.com/slides/how-tos/add-shape#example
• Using SDK: https://github.com/google/google-api-go-client/blob/master/slides/v1/slides-gen.go