Update TigerOS Website

[ct-martin]

• On mirror, create /TigerOS/latest symlink for current release number
• Have both download links on tigeros.ritlug.com point to /TigerOS/latest/release
• Make the link buttons at the bottom of tigeros.ritlug.com visually similar in the text
• How to download and install TigerOS (not building)
• Make wiki not have dev instructions on home page; put in content pointing to sidebar?

[ct-martin]

As a temporary fix for some of these issues (and to also have HTTPS), the TigerOS website is currently being hosted on the RITlug website at https://ritlug.com/tigeros

Ongoing work will be done to create a new TigerOS website that integrates the desired features, including HTTPS and the requests in #108, #120, #121, & #122.