Create a graphical ui representing for an tezos store

[clecat]

This PR adds a graphical UI for tezos stores, showing the content of commits in the shape of trees.

[codecov-commenter]

Codecov Report

Merging #2270 (c5a2027) into main (2e7a6a2) will increase coverage by 0.00%.
Report is 5 commits behind head on main.
The diff coverage is 0.00%.

❗ Current head c5a2027 differs from pull request most recent head 5b287e4. Consider uploading reports for the commit 5b287e4 to get more accurate results

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

@@           Coverage Diff           @@
##             main    #2270   +/-   ##
=======================================
  Coverage   68.12%   68.13%           
=======================================
  Files         133      133           
  Lines       15982    15983    +1     
=======================================
+ Hits        10888    10890    +2     
+ Misses       5094     5093    -1     

Files	Coverage Δ
src/irmin-git/contents.ml	45.00% <0.00%> (-2.37%)	⬇️

... and 2 files with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[metanivek]

Added some suggestions to prose and a reminder about removing the pin-depends. Thanks!