Add basic markdown presenter

[bollwyvl]

References

• fixes #19

Changes

• [x] adds markdown presenter
  • [x] support forward and back
  • [x] support anchors
• [x] add tests

[codecov[bot]]

Codecov Report

Merging #32 (e6d23b7) into main (85000f5) will increase coverage by 0.02%. The diff coverage is 89.18%.

@@            Coverage Diff             @@
##             main      #32      +/-   ##
==========================================
+ Coverage   93.28%   93.31%   +0.02%     
==========================================
  Files          13       14       +1     
  Lines        1177     1272      +95     
  Branches      232      248      +16     
==========================================
+ Hits         1098     1187      +89     
  Misses         41       41              
- Partials       38       44       +6     

Flag	Coverage Δ
back-end	100.00% <ø> (ø)

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

Impacted Files	Coverage Δ
js/jupyterlab-deck/src/manager.ts	88.49% <46.15%> (-0.40%)	:arrow_down:
js/jupyterlab-deck/src/markdown/presenter.ts	93.58% <93.58%> (ø)
js/jupyterlab-deck/src/notebook/presenter.ts	91.87% <100.00%> (ø)
js/jupyterlab-deck/src/plugin.ts	100.00% <100.00%> (ø)
js/jupyterlab-deck/src/tokens.ts	100.00% <100.00%> (ø)
js/jupyterlab-deck/src/tools/remote.tsx	96.29% <100.00%> (+0.84%)	:arrow_up:

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