Describe changed plugin.txt on install

[jmthomas]

closes #414

[jmthomas]

This is what it looks like when you modify the plugin.txt and then upgrade:

[codecov]

Codecov Report

Base: 74.67% // Head: 74.67% // No change to project coverage 👍

Coverage data is based on head (590423f) compared to base (32ad4f2).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #423   +/-   ##
=======================================
  Coverage   74.67%   74.67%           
=======================================
  Files         455      455           
  Lines       27671    27671           
  Branches      592      592           
=======================================
  Hits        20662    20662           
  Misses       6916     6916           
  Partials       93       93           

Flag	Coverage Δ
ruby-api	50.24% <ø> (ø)
ruby-backend	78.85% <ø> (ø)

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[ryanmelt]

Very nice. I nominate you for chief of developer experience.