update markdown files

[AdvancedWipe]

Edit all markdown pages.

[tr7zw]

Just noticed, the CurseForge one will not work at all. Curseforge has a really... "interesting"... markdown parser, that doesn't support HTML and not even Markdown fully.

[what-the-diff[bot]]

• Update the Curseforge.md file to include a link to Modrinth and GitHub releases
• Add badges for Discord, Ko-Fi, Github stars/forks and license information
• Fix typos in README (ItemSwapper -> Itemswapper)
• Create FAQ page with answers on common questions about this mod
• Added a new header to the README.md file
• Changed some text in the Features section of the README.md file
• Removed an image from the Gallery section of the README.md file
• Update README.md