Add new plotting functions to create overview figures for papers

[lidakanari]

• Clean up basic functionality in plotting
• Add function to plot tree / barcode with same colors for each branch / bar
• Add function to plot tree / persistence barcode / diagram / image with same colors for each branch / bar

[codecov-commenter]

Codecov Report

Merging #63 (403a07f) into master (d10adf9) will decrease coverage by 1.72%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master      #63      +/-   ##
==========================================
- Coverage   46.48%   44.75%   -1.73%     
==========================================
  Files          26       26              
  Lines        1736     1803      +67     
  Branches      279      288       +9     
==========================================
  Hits          807      807              
- Misses        907      974      +67     
  Partials       22       22              

Flag	Coverage Δ
pytest	44.75% <0.00%> (-1.73%)	⬇️

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

Impacted Files	Coverage Δ
tmd/view/plot.py	0.00% <0.00%> (ø)
tmd/view/view.py	0.00% <0.00%> (ø)

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