1.2.1.0 Update Documentation

• #33
  • Convert from .cfg to md
  • Add missing information for earlier releases
  • closes #33 - Convert Changelog
• update [readme]
  • CurseForge Description page 🤬
  • Forum Original Post 🐰
  • SpaceDock Information page 🌮
• release notes
• [changelog.md]
• update
  • wiki
  • docs/