[tracking] updates for norns 2.0

[Phil Quitslund]

tracking issue for doc updates corresponding w/ norns 2.0

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bits to review:

• studies
  • study 1
  • study 2
  • study 3
  • study 4
  • study 5
• update instructions
• legend
• faq
• roadmap

[brian crabtree]

also:

• script gathering/sharing (how to manage dust, lines wiki thread for directory of scripts)
• script repos and docs (ie, move mlr to its own repo, update docs)