feat: styling

.gitignore

internal/clientstub/index.html

internal/clientstub/main.js

internal/clientstub/style.css

mailtemplate.html

pkg/matcher/mailtemplate.html

pkg/matcher/matcher.go

pkg/matcher/matcher_test.go

web/assets/brand/logo.png

web/assets/fc_button.svg

web/assets/fc_button_hover.svg

web/components/auth/auth.js

web/components/info/info.js

web/components/matcher/matcher.js

web/index.html

web/main.js

web/services/messages/messages.js

web/style.css