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

tests/views/SettingsView.spec.ts

@@ -0,0 +1,10 @@
+import { describe, expect, it } from "vitest";
+import { mount, VueWrapper } from "@vue/test-utils";
+import SettingView from "~/views/SettingView.vue";
+
+describe("SettingView.vue", () => {
+  const wrapper: VueWrapper = mount(SettingView, {});
+  it("renders without crashing", () => {
+    expect(wrapper.exists()).toBe(true);
+  });
+});