Expand word tutorial to include W, E, B

[keforbes]

I had been debating if W, E, and B deserved their own tutorial but given that the existing word motion tutorial was so short I decided to just expand it to add these extra keys. Besides, I think it helps reinforce w, e, and b in the process.

[codecov]

Codecov Report

Merging #2357 into master will increase coverage by 0.03%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master    #2357      +/-   ##
==========================================
+ Coverage   37.59%   37.62%   +0.03%     
==========================================
  Files         299      299              
  Lines       12464    12475      +11     
  Branches     1643     1643              
==========================================
+ Hits         4686     4694       +8     
- Misses       7529     7532       +3     
  Partials      249      249

Impacted Files	Coverage Δ
browser/src/Services/Learning/Tutorial/Notes.tsx	52.5% <50%> (-0.14%)	⬇️
...Learning/Tutorial/Tutorials/WordMotionTutorial.tsx	81.25% <83.33%> (+8.52%)	⬆️

---

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 d1a818e...056c531. Read the comment docs.

[akinsho]

👍