OZG-2626 OZG-2886 move user-settings-darkmode, user-settings-email-benachrichtigung Part1

...r-settings-darkmode/user-settings-darkmode.component.html

...r-settings-darkmode/user-settings-darkmode.component.scss

...ettings-darkmode/user-settings-darkmode.component.spec.ts

...ser-settings-darkmode/user-settings-darkmode.component.ts

...igung/user-settings-email-benachrichtigung.component.html

...igung/user-settings-email-benachrichtigung.component.scss

...ng/user-settings-email-benachrichtigung.component.spec.ts

...htigung/user-settings-email-benachrichtigung.component.ts