Better control of the circular layout in `circle_grid`

[hadim]

Changelogs

• Remove a left hover print statement in lasso_highlight_image().
• Add a random seed in MolsCircleGrid and circle_grid to better control the circular layout.
• Add the ability to fix the starting angle in circle_grid
• Allow to input colors as hex string in addition to rgb and rgba.

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Checklist:

• [x] Was this PR discussed in an issue? It is recommended to first discuss a new feature into a GitHub issue before opening a PR.
• [x] Add tests to cover the fixed bug(s) or the new introduced feature(s) (if appropriate).
• [ ] Update the API documentation is a new function is added, or an existing one is deleted.
• [x] Write concise and explanatory changelogs below.
• [x] If possible, assign one of the following labels to the PR: feature, fix or test (or ask a maintainer to do it for you).

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discussion related to that PR

[codecov[bot]]

Codecov Report

Merging #206 (e01067a) into main (3ff8561) will increase coverage by 0.03%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #206      +/-   ##
==========================================
+ Coverage   92.01%   92.05%   +0.03%     
==========================================
  Files          46       46              
  Lines        3781     3799      +18     
==========================================
+ Hits         3479     3497      +18     
  Misses        302      302              

Flag	Coverage Δ
unittests	92.05% <100.00%> (+0.03%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
datamol/types.py	100.00% <100.00%> (ø)
datamol/viz/_circle_grid.py	93.16% <100.00%> (+0.35%)	:arrow_up:
datamol/viz/_lasso_highlight.py	91.54% <100.00%> (+0.02%)	:arrow_up:
datamol/viz/utils.py	89.83% <100.00%> (+1.59%)	:arrow_up:

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