WebsiteRB 2023-5-23

• renamed Previous-Versions directories to more orderly date format (YYYY-MM-DD) and exchanged spaces for hyphens
• archived a website version in Previous-Versions that was prior to the implementation of color variables in styles.css
• implemented color variables in styles.css
• added selection highlight color for text in styles.css
• added links in politics page headers
• added blog post "What Was Overwatch?"
• added blog post "YouTube Playlist Auto-Ethnography"