Added Basic Darkmode and Fixed Small Bugs

__tests__/__snapshots__/index.test.tsx.snap

@@ -14,7 +14,7 @@ exports[`Home renders homepage unchanged 1`] = `
         No 1 task management app
       </div>
       <h1
-        class="mb-6 text-center text-neutral-800 ~/md:~text-3xl/6xl"
+        class="mb-6 text-center text-neutral-800 ~/md:~text-3xl/6xl dark:text-neutral-100"
       >
         Tasko helps teams move
       </h1>

__tests__/utils.test.ts

@@ -0,0 +1,40 @@
+import { cn, absoluteUrl } from '@/lib/utils';
+
+describe('absoluteUrl', () => {
+  const originalEnv = process.env;
+
+  beforeEach(() => {
+    process.env = {
+      ...originalEnv,
+      NEXT_PUBLIC_APP_URL: 'https://example.com',
+    };
+  });
+
+  afterEach(() => {
+    process.env = originalEnv;
+  });
+
+  it('should return the correct absolute URL', () => {
+    const pathname = '/test';
+    expect(absoluteUrl(pathname)).toBe('https://example.com/test');
+  });
+
+  it('should handle empty pathname', () => {
+    const pathname = '';
+    expect(absoluteUrl(pathname)).toBe('https://example.com');
+  });
+});
+
+describe('cn', () => {
+  it('should merge multiple class names', () => {
+    expect(cn('class1', 'class2')).toBe('class1 class2');
+  });
+
+  it('should handle conditional class names', () => {
+    const isActive = true;
+    expect(cn('base', isActive && 'active')).toBe('base active');
+
+    const isDisabled = false;
+    expect(cn('base', isDisabled && 'disabled')).toBe('base');
+  });
+});