style: add eslint and prettier, fix style errors

tests/unit/routes/page.test.ts

@@ -1,10 +1,10 @@
-import { render, screen } from "@testing-library/svelte";
-import { describe, expect, it } from "vitest";
-import PageTest from "./PageTest.svelte";
-
-describe("+page.svelte", () => {
-  it("should render without crashing", () => {
-    render(PageTest);
-    expect(screen.getByText("Тексты панелей")).toBeInTheDocument();
-  });
-});
+import { render, screen } from "@testing-library/svelte";
+import { describe, expect, it } from "vitest";
+import PageTest from "./PageTest.svelte";
+
+describe("+page.svelte", () => {
+  it("should render without crashing", () => {
+    render(PageTest);
+    expect(screen.getByText("Тексты панелей")).toBeInTheDocument();
+  });
+});