feat: adds installers for linux, macos, and windows

[rsdmike]

Might consider moving some of the installer logic to the deployment repo. Also, this PR has grown and it might make sense to break it down some.

Addresses: #870

[codecov]

Codecov Report

❌ Patch coverage is 8.00000% with 92 lines in your changes missing coverage. Please review.
✅ Project coverage is 40.48%. Comparing base (18b4cdf) to head (5aeb6eb).

Files with missing lines	Patch %	Lines
pkg/tray/tray.go	0.00%	67 Missing ⚠️
cmd/app/main.go	23.07%	7 Missing and 3 partials ⚠️
internal/controller/httpapi/ui.go	0.00%	8 Missing ⚠️
cmd/app/tray_disabled.go	0.00%	3 Missing ⚠️
cmd/app/service_other.go	50.00%	2 Missing ⚠️
config/config.go	60.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #876      +/-   ##
==========================================
- Coverage   40.71%   40.48%   -0.23%     
==========================================
  Files         114      117       +3     
  Lines       10869    10945      +76     
==========================================
+ Hits         4425     4431       +6     
- Misses       6051     6117      +66     
- Partials      393      397       +4     

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