Move files in preparation for monorepo migration

apps/knossos/composables/route-params.js

@@ -0,0 +1,10 @@
+/**
+ * Extracts the [id] from the route params and returns it as a ref.
+ *
+ * @param {string?} key The key of the route param to extract.
+ * @returns {import('vue').Ref<string | string[] | undefined>}
+ */
+export const useRouteId = (key = 'id') => {
+  const route = useNativeRoute()
+  return route.params?.[key] || undefined
+}