feat(frontend_nuxt): wire up nprogress plugin

frontend_nuxt/package-lock.json

@@ -11,6 +11,7 @@
         "highlight.js": "^11.11.1",
         "ldrs": "^1.0.0",
         "markdown-it": "^14.1.0",
+        "nprogress": "^0.2.0",
         "nuxt": "latest",
         "vditor": "^3.11.1",
         "vue-easy-lightbox": "^1.19.0",
@@ -6415,6 +6416,12 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/nprogress": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/nprogress/-/nprogress-0.2.0.tgz",
+      "integrity": "sha512-I19aIingLgR1fmhftnbWWO3dXc0hSxqHQHQb3H8m+K3TnEn/iSeTZZOyvKXWqQESMwuUVnatlCnZdLBZZt2VSA==",
+      "license": "MIT"
+    },
     "node_modules/nth-check": {
       "version": "2.1.1",
       "license": "BSD-2-Clause",