chore: archive finance, mail, moodlit apps and rename voxel-lava

- Move finance, mail, moodlit to apps-archived for later development
- Rename games/voxel-lava to games/voxelava

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

apps-archived/finance/apps/web/src/lib/api/client.ts

@@ -0,0 +1,61 @@
+import { PUBLIC_BACKEND_URL } from '$env/static/public';
+
+class ApiClient {
+	private baseUrl: string;
+	private token: string | null = null;
+
+	constructor() {
+		this.baseUrl = PUBLIC_BACKEND_URL || 'http://localhost:3019';
+	}
+
+	setToken(token: string | null) {
+		this.token = token;
+	}
+
+	private async request<T>(
+		method: string,
+		path: string,
+		body?: unknown,
+		options?: RequestInit
+	): Promise<T> {
+		const url = `${this.baseUrl}/api/v1${path}`;
+
+		const headers: HeadersInit = {
+			'Content-Type': 'application/json',
+			...(this.token && { Authorization: `Bearer ${this.token}` }),
+			...options?.headers,
+		};
+
+		const response = await fetch(url, {
+			method,
+			headers,
+			body: body ? JSON.stringify(body) : undefined,
+			...options,
+		});
+
+		if (!response.ok) {
+			const error = await response.json().catch(() => ({ message: 'Request failed' }));
+			throw new Error(error.message || `HTTP ${response.status}`);
+		}
+
+		return response.json();
+	}
+
+	get<T>(path: string, options?: RequestInit): Promise<T> {
+		return this.request<T>('GET', path, undefined, options);
+	}
+
+	post<T>(path: string, body?: unknown, options?: RequestInit): Promise<T> {
+		return this.request<T>('POST', path, body, options);
+	}
+
+	put<T>(path: string, body?: unknown, options?: RequestInit): Promise<T> {
+		return this.request<T>('PUT', path, body, options);
+	}
+
+	delete<T>(path: string, options?: RequestInit): Promise<T> {
+		return this.request<T>('DELETE', path, undefined, options);
+	}
+}
+
+export const apiClient = new ApiClient();