Route array representation for HTML

[h-mayorquin]

Improved version of #1201

[codecov]

Codecov Report

Attention: Patch coverage is 44.82759% with 16 lines in your changes missing coverage. Please review.

Project coverage is 90.82%. Comparing base (4fb554a) to head (273055d).
Report is 1 commits behind head on dev.

Files with missing lines	Patch %	Lines
src/hdmf/container.py	50.00%	5 Missing and 2 partials ⚠️
src/hdmf/utils.py	40.00%	5 Missing and 1 partial ⚠️
src/hdmf/backends/hdf5/h5tools.py	40.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #1206      +/-   ##
==========================================
- Coverage   90.95%   90.82%   -0.13%     
==========================================
  Files          43       43              
  Lines        9506     9524      +18     
  Branches     2719     2723       +4     
==========================================
+ Hits         8646     8650       +4     
- Misses        568      580      +12     
- Partials      292      294       +2     

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[oruebel]

I suggested a minor enhancement to avoid repeat calls to get_read_io. Otherwise this looks good to me 👍

[h-mayorquin]

Thakns @oruebel . I submited the suggestions