Add CI workflow

.gitea/workflows/ci.yml

@@ -0,0 +1,17 @@
+name: CI
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install dependencies
+        run: npm ci
+      - name: Run tests
+        run: npm test
+      - name: Build
+        run: npm run build

README.md

@@ -8,7 +8,3 @@ Customer control panel frontend. Built with Next.js + TypeScript.
 npm install
 npm run dev
 ```
-
-## Dark mode
-
-Toggle dark mode from Settings > Appearance.

src/hooks/useDarkMode.ts

@@ -1,15 +0,0 @@
-import { useState, useEffect } from "react";
-
-export function useDarkMode() {
-  const [enabled, setEnabled] = useState(() => {
-    if (typeof window === "undefined") return false;
-    return localStorage.getItem("theme") === "dark";
-  });
-
-  useEffect(() => {
-    document.documentElement.classList.toggle("dark", enabled);
-    localStorage.setItem("theme", enabled ? "dark" : "light");
-  }, [enabled]);
-
-  return { enabled, toggle: () => setEnabled((v) => !v) };
-}