Add links to version & asset metadata to web view

[jwodder]

Closes #13.

[codecov]

Codecov Report

Attention: 125 lines in your changes are missing coverage. Please review.

Comparison is base (4998bd8) 36.71% compared to head (79f8578) 35.99%.

Files	Patch %	Lines
src/dandi/mod.rs	0.00%	52 Missing ⚠️
src/dandi/types.rs	0.00%	50 Missing ⚠️
src/dav/types.rs	0.00%	16 Missing ⚠️
src/dav/mod.rs	0.00%	4 Missing ⚠️
src/dav/html.rs	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #76      +/-   ##
==========================================
- Coverage   36.71%   35.99%   -0.72%     
==========================================
  Files          24       24              
  Lines        3435     3503      +68     
==========================================
  Hits         1261     1261              
- Misses       2174     2242      +68     

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[jwodder]

Current status: At first, the metadata links looked like this:

(Page source: https://gist.github.com/jwodder/47b7d85ab38f5d04da0eb509e82ebe45)

Then, I used flex boxes to align the links on the right of their containing cells, and that worked, but it also caused the left & bottom borders of the "Name" column to be darker than the rest of the table borders:

(Page source: https://gist.github.com/jwodder/6e3bdf1abb8c944e5564ad3308f9cd7e)

I don't like this, and I can't figure out how to fix it.