Add @jbrowse/img to homepage

[cmdcolin]

This proposes adding @jbrowse/img to the homepage, helps add some awareness perhaps

It adds a new section called CLI since I'm not sure it fits in the "Embedded" section

[codecov]

Codecov Report

Merging #2002 (7b1f9b0) into main (cd0357f) will decrease coverage by 0.04%.
The diff coverage is n/a.

❗ Current head 7b1f9b0 differs from pull request most recent head 5a30ee6. Consider uploading reports for the commit 5a30ee6 to get more accurate results

@@            Coverage Diff             @@
##             main    #2002      +/-   ##
==========================================
- Coverage   60.97%   60.92%   -0.05%     
==========================================
  Files         471      471              
  Lines       22512    22512              
  Branches     5228     5228              
==========================================
- Hits        13726    13716      -10     
- Misses       8503     8513      +10     
  Partials      283      283              

Impacted Files	Coverage Δ
...nts/src/SNPCoverageRenderer/SNPCoverageRenderer.ts	80.24% <0.00%> (-7.41%)	⬇️
...inearGenomeView/components/RefNameAutocomplete.tsx	89.13% <0.00%> (-4.35%)	⬇️
packages/core/util/index.ts	77.92% <0.00%> (-0.54%)	⬇️

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