Scope of this epic:

• Migrate any content over from outdated wikis and repurpose/sunset/archive everything else
• Migrate content from Ethereum wikis
  • eth.wiki
  • ethdocs.org
• Sunset anything no longer relevant or maintained
• Questions
  • Migrate all content? Select content?
  • Concern: how to migrate eth.wiki content without killing that site?
  • Where do pages go within ethereum.org?
    • e.g. EthHash? Where should this live within ethereum.org docs?
  • Do we need to translate wikis too?