chore: frontend testing setup (#1739)

* add vitest

* initialize lib w/ tests

* move to dev dep

* run tests in CI

* update file names

* move api folder to lib

* move api and api types to same folder

* update generator outpath

* rm husky

* i guess i _did_ need those types

* reorg types

* extract validators into testable components

* (WIP) start composable testing

* fix import type

* fix linter complaint

* simplify icon type def

* fix linter errors (maybe?)

* rename client file for sorting

frontend/composables/use-group-cookbooks.ts

@@ -1,7 +1,7 @@
 import { useAsync, ref, Ref } from "@nuxtjs/composition-api";
 import { useAsyncKey } from "./use-utils";
 import { useUserApi } from "~/composables/api";
-import { ReadCookBook, UpdateCookBook } from "~/types/api-types/cookbook";
+import { ReadCookBook, UpdateCookBook } from "~/lib/api/types/cookbook";
 
 let cookbookStore: Ref<ReadCookBook[] | null> | null = null;