Use vue-i18n for all texts for the user

• src/components/Config/WebsocketInterfaceList.vue:26
• src/components/Config/WebsocketMessagingList.vue:27
• src/components/Config/WebsocketServiceList.vue:25
• src/components/Config/WebsocketServiceList.vue:28
• src/components/IqrfNet/AutoNetwork.vue:5
• src/components/IqrfNet/AutoNetwork.vue:489
• src/components/IqrfNet/AutoNetwork.vue:418
• src/components/IqrfNet/AutoNetwork.vue:421