feat: add discord reporter

[freak12techno]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 9.70874% with 372 lines in your changes are missing coverage. Please review.

Project coverage is 44.96%. Comparing base (5cb4556) to head (43ad844).

Files	Patch %	Lines
pkg/reporters/discord/discord.go	0.00%	148 Missing ⚠️
pkg/reporters/discord/add_mute.go	0.00%	52 Missing ⚠️
pkg/templates/discord.go	0.00%	42 Missing ⚠️
pkg/reporters/discord/delete_mute.go	0.00%	40 Missing ⚠️
pkg/reporters/discord/tally.go	0.00%	19 Missing ⚠️
pkg/reporters/discord/params.go	0.00%	16 Missing ⚠️
pkg/reporters/discord/help.go	0.00%	15 Missing ⚠️
pkg/reporters/discord/list_mutes.go	0.00%	15 Missing ⚠️
pkg/reporters/discord/list_proposals.go	0.00%	14 Missing ⚠️
pkg/app.go	0.00%	11 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #95      +/-   ##
==========================================
- Coverage   51.84%   44.96%   -6.89%     
==========================================
  Files          72       81       +9     
  Lines        2110     2522     +412     
==========================================
+ Hits         1094     1134      +40     
- Misses       1014     1386     +372     
  Partials        2        2              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.