Add comprehensive wiki documentation Add extensive documentation for Prism by creating multiple wiki pages: Configuration, Installation & Updates, Custom-Providers, Themes, FAQ, Troubleshooting, Contributing, Contact-&-Support, and License. These pages document settings, install/update steps, provider/theme packaging, troubleshooting steps, contribution guidelines, and support/contact info. Also update Home.md with an expanded project overview, feature list, links to the new docs, and installation hints.