XA Reference is a SXA website with example configuration for all renderings.
How to solve the issue with tab switching in Experience Editor while using Sitecore Experience Accelerator
I present you Unicorn Dependency Graph Generator. It will give you a bit more information about your unicorn configurations and solve problems with missing dependencies.
Save your keystrokes! Don’t waste your time on entering password every five minutes when working with Powershell Extensions for Sitecore