Setting page

* Switched to eslint.config.ts and demoted @typescript-eslint/no-unused-vars to warning
* Created /settings route, associated component and modified tests for routes
* Added tests for SettingsView.vue
* Added jiti library needed for linting
* Refactored routes' tests.
* Refactoring to reduce code duplication

package-lock.json

@@ -27,6 +27,7 @@
         "eslint-plugin-vue": "^10.5.1",
         "globals": "^16.4.0",
         "happy-dom": "^20.0.5",
+        "jiti": "^2.6.1",
         "npm-run-all2": "^8.0.4",
         "prettier": "3.6.2",
         "resize-observer-polyfill": "^1.5.1",
@@ -4786,6 +4787,16 @@
         "@pkgjs/parseargs": "^0.11.0"
       }
     },
+    "node_modules/jiti": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/jiti/-/jiti-2.6.1.tgz",
+      "integrity": "sha512-ekilCSN1jwRvIbgeg/57YFh8qQDNbwDb9xT/qu2DAHbFFZUicIl4ygVaAvzveMhMVr3LnpSKTNnwt8PoOfmKhQ==",
+      "devOptional": true,
+      "license": "MIT",
+      "bin": {
+        "jiti": "lib/jiti-cli.mjs"
+      }
+    },
     "node_modules/js-beautify": {
       "version": "1.15.4",
       "resolved": "https://registry.npmjs.org/js-beautify/-/js-beautify-1.15.4.tgz",