security: fix unsafe html inputs (#1173)

* use DomPurify to sanatize ingredient html

* fix list-item render for markdown

* address volar linter issue

frontend/package.json

@@ -25,6 +25,7 @@
     "@vueuse/core": "^6.8.0",
     "core-js": "^3.15.1",
     "date-fns": "^2.23.0",
+    "dompurify": "^2.3.6",
     "fuse.js": "^6.5.3",
     "nuxt": "^2.15.8",
     "v-jsoneditor": "^1.4.5",
@@ -55,4 +56,4 @@
   "resolutions": {
     "vite": "2.3.8"
   }
-}
+}