Create info page - Related #126

[RhodesPeter]

This relates to an comment by Jasmin on issue #126.

• add /info page and route
• add tests for /info route
• add info-icon-white.svg and info-icon-black.svg to assets
• add info icon to finished page

[des-des]

@RhodesPeter @skibinska emoji-happy / sad / indifferent are also 1MB each

[RhodesPeter]

Thanks @des-des 😀

• emojis are now no more than 12kb
• icons are now around 825 bytes

[des-des]

[codecov-io]

Codecov Report

:exclamation: No coverage uploaded for pull request base (master@5ff83f2). Click here to learn what that means. The diff coverage is n/a.

@@           Coverage Diff           @@
##             master   #144   +/-   ##
=======================================
  Coverage          ?   100%           
=======================================
  Files             ?      2           
  Lines             ?      9           
  Branches          ?      4           
=======================================
  Hits              ?      9           
  Misses            ?      0           
  Partials          ?      0

Impacted Files	Coverage Δ
src/templates/helpers/format-values.js	100% <ø> (ø)
src/templates/helpers/format-array.js	100% <ø> (ø)

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[RhodesPeter]

When PR #147 or #146 are merged into master I believe codecov will not be failing.