Migration Improvements (#122)

Update swagger docs

Update docs

Let the wunderlist migrator use the registerRoutes function

Add migration status table

Add migration status

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/api/pulls/122

pkg/routes/routes.go

@@ -386,8 +386,7 @@ func registerAPIRoutes(a *echo.Group) {
 				return &wunderlist.Migration{}
 			},
 		}
-		m.GET("/wunderlist/auth", wunderlistMigrationHandler.AuthURL)
-		m.POST("/wunderlist/migrate", wunderlistMigrationHandler.Migrate)
+		wunderlistMigrationHandler.RegisterRoutes(m)
 	}
 }