Add Microsoft Todo migration (#339)

Add microsoft todo migration cases & logo

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/339
Co-Authored-By: konrad <konrad@kola-entertainments.de>
Co-Committed-By: konrad <konrad@kola-entertainments.de>

src/views/migrator/MigrateService.vue

@@ -37,6 +37,10 @@ export default {
 				this.name = 'Trello'
 				this.identifier = 'trello'
 				break
+			case 'microsoft-todo':
+				this.name = 'Microsoft Todo'
+				this.identifier = 'microsoft-todo'
+				break
 			default:
 				router.push({name: '404'})
 		}