Added vitest (#5)

* Moved eslint and @nuxt/eslint to devDependencies

* Added vitest to project and 1 test

* Tweaked Sonar workflow in order to run tests and coverage

* Removed offending config line

tsconfig.json

@@ -14,11 +14,5 @@
     {
       "path": "./.nuxt/tsconfig.node.json"
     }
-  ],
-  "compilerOptions": {
-    "paths": {
-      "~/*": ["./src/*"],
-      "@/*": ["./src/*"]
-    }
-  }
+  ]
 }