Approach to keep rerunning the examples as soon as they are modified

[theogf]

Should solve #3
Will write a summary at some point

[codecov]

Codecov Report

Merging #7 (05ea0f4) into main (35802db) will decrease coverage by 33.35%.
The diff coverage is 0.00%.

@@             Coverage Diff             @@
##             main       #7       +/-   ##
===========================================
- Coverage   94.11%   60.75%   -33.36%     
===========================================
  Files           2        2               
  Lines          51       79       +28     
===========================================
  Hits           48       48               
- Misses          3       31       +28     

Impacted Files	Coverage Δ
src/JuliaGPsDocs.jl	54.41% <0.00%> (-38.09%)	⬇️

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