feat(server): notify plugin donwload to marketplace

[rot1024]

Overview

What I've done

What I haven't done

How I tested

Which point I want you to review particularly

Memo

[codecov]

Codecov Report

Merging #341 (0645b16) into main (b521326) will increase coverage by 0.00%.
The diff coverage is 52.08%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #341   +/-   ##
=======================================
  Coverage   35.72%   35.73%           
=======================================
  Files         339      339           
  Lines       30202    30239   +37     
=======================================
+ Hits        10789    10805   +16     
- Misses      18369    18384   +15     
- Partials     1044     1050    +6     

Impacted Files	Coverage Δ
server/internal/app/config.go	48.29% <ø> (ø)
server/internal/app/repo.go	0.00% <0.00%> (ø)
...erver/internal/usecase/interactor/plugin_common.go	16.66% <0.00%> (-1.29%)	⬇️
...internal/infrastructure/marketplace/marketplace.go	57.74% <58.13%> (-9.83%)	⬇️