dark mode & ecosystem

[2nthony]

• eslint
• husky(pre-commit)
• up ecosystem
• colour tokens
• replace colours
• replace fonts
• icons
  • replace all imported .svg
  • replace all imported chain icon .svg
  • chain icon dark #94
• fix tooltip
• fix editor background fix: css color, support vars rich-text-editor#127
• fix notification background colour
• fix markdown colour (override way)
• works in
  • voting feat: dark mode collaboration#1004
  • qa
  • bounties

hex/rgba	var
#f0f3f8	strokeBorderDefault fillBgTertiary
#ffffff	fillBgPrimary
#fbfcfe	fillBgSecondary
#f0f3f8	fillBgTertiary
rgba(17, 17, 17, 0.65) #506176	textSecondary
#1e2134 #2e343d	textPrimary
#a1a8b3	textTertiary
#e2e8f0	fillBgBrandDisable strokeActionDefault
#b7c0cc	strokeActionActive
#e2e8f0	fillBgBrandDisable strokeActionDefault
#9da9bb	textTertiary
#04D2C5	textBrandSecondary fillBgBrandSecondary strokeBgBrandSecondary
#6848FF	textBrandPrimary fillBgBrandPrimary
#d2d9e2	strokeActionDefault
#e3e7ed	cleaned
#506176	textSecondary