Add educational example to docs

[beorostica]

This pull request is intended to resolve issue #242

[codecov]

Codecov Report

Merging #248 (c3bd983) into master (7c63ab7) will not change coverage.
Report is 8 commits behind head on master.
The diff coverage is 0.00%.

❗ Current head c3bd983 differs from pull request most recent head ea2036a. Consider uploading reports for the commit ea2036a to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #248   +/-   ##
=======================================
  Coverage   90.26%   90.26%           
=======================================
  Files          33       33           
  Lines        2291     2291           
=======================================
  Hits         2068     2068           
  Misses        223      223           

Flag	Coverage Δ
core	89.04% <0.00%> (ø)
io	86.44% <ø> (ø)
komamri	94.09% <ø> (ø)
plots	93.80% <ø> (ø)

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Files	Coverage Δ
KomaMRICore/src/simulation/SimulatorCore.jl	81.05% <0.00%> (ø)