Add Page Titles Everywhere (#177)

Add page titles everywhere

Add global mixin to set page title

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/177

src/views/list/NewList.vue

@@ -51,6 +51,9 @@
 			this.listService = new ListService()
 			this.$store.commit(IS_FULLPAGE, true)
 		},
+		mounted() {
+			this.setTitle('Create a new list')
+		},
 		methods: {
 			newList() {
 				if (this.list.title === '') {