dependency lint

[clkao]

from depcheck:

Unused dependencies

• sheetify-nested
• archiver-server
• babel-preset-es2015
• babelify
• body
• dat-colors
• dat-design
• from2
• handlebars
• level
• node-sass-magic-importer
• sqlite3
• through-timeout

[okdistribute]

closed with https://github.com/datproject/datproject.org/commit/8fc4d8ddef8a4ed006fbd1e109bdde5b462ada9b