Add and adjust icons

New icons:

• nrk-hardware-camera
• nrk-hardware-computer
• nrk-hardware-game
• nrk-hardware-mobile
• nrk-hardware-radio
• nrk-hardware-tablet
• nrk-hardware-tv
• nrk-hardware-watch
• nrk-hardware-speaker
• nrk-hardware-smart-speaker
• nrk-hardware-smart-watch
• nrk-some-email
• nrk-some-tommelopp
• nrk-some-tommelopp--active
• nrk-360
• nrk-404
• nrk-broadcast
• nrk-warning
• nrk-globe
• nrk-check
• nrk-media-play--fail

Adjusted icons (but same size):

• nrk-info
• nrk-help
• nrk-calendar