Refreshed logo in docs

[shilman]

Issue: #1100

What I did

• Update docs logos to latest version
• Fix docs site storybook (was using old webpack??!!)

How to test

yarn dev
yarn storybook

[codecov]

Codecov Report

Merging #1149 into master will increase coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1149      +/-   ##
==========================================
+ Coverage   12.72%   12.75%   +0.03%     
==========================================
  Files         199      199              
  Lines        4582     4571      -11     
  Branches      727      724       -3     
==========================================
  Hits          583      583              
+ Misses       3356     3347       -9     
+ Partials      643      641       -2

Impacted Files	Coverage Δ
lib/cli/lib/detect.js	0% <0%> (ø)	⬆️
lib/codemod/src/index.js	0% <0%> (ø)	⬆️
lib/cli/bin/generate.js	0% <0%> (ø)	⬆️
...codemod/src/transforms/update-organisation-name.js	43.33% <0%> (+2.7%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update fbb6ca1...4deb54d. Read the comment docs.