Pat/review backend and UI

[fightling]

Review of backend code

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 174 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/backend/nc_request.rs	0.0%	42 Missing ⚠️
src/backend/nc_message.rs	0.0%	25 Missing ⚠️
src/backend/nc_room.rs	0.0%	25 Missing ⚠️
src/backend/nc_talk.rs	0.0%	24 Missing ⚠️
src/backend/nc_notify.rs	0.0%	23 Missing ⚠️
src/ui/mod.rs	0.0%	22 Missing ⚠️
src/ui/app.rs	0.0%	6 Missing ⚠️
src/ui/chat_box.rs	0.0%	6 Missing ⚠️
src/ui/help_box.rs	0.0%	1 Missing ⚠️

Files with missing lines	Coverage Δ
src/ui/title_bar.rs	0.0% <ø> (ø)
src/ui/help_box.rs	0.0% <0.0%> (ø)
src/ui/app.rs	0.0% <0.0%> (ø)
src/ui/chat_box.rs	0.0% <0.0%> (ø)
src/ui/mod.rs	0.0% <0.0%> (ø)
src/backend/nc_notify.rs	0.0% <0.0%> (ø)
src/backend/nc_talk.rs	0.0% <0.0%> (ø)
src/backend/nc_message.rs	0.0% <0.0%> (ø)
src/backend/nc_room.rs	0.0% <0.0%> (ø)
src/backend/nc_request.rs	0.0% <0.0%> (ø)