wip! [vue3] Readd vue-infinite-loading dependency

No official vue3 support available. Installed from git with:

npm i --save 'github:nvitius/vue-infinite-loading#next'

(as described in <PeachScript/vue-infinite-loading#312>)

Author: chme

web-src/package-lock.json

@@ -13,6 +13,7 @@
     "reconnectingwebsocket": "^1.0.0",
     "spotify-web-api-js": "^1.5.2",
     "vue": "^3.2.25",
+    "vue-infinite-loading": "github:nvitius/vue-infinite-loading#next",
     "vue-range-slider": "^0.6.0",
     "vue-router": "^4.0.12",
     "vuedraggable": "^4.1.0",