Initial project setup

- Tauri 2.0 + Svelte + TypeScript scaffolding
- Qobuz API client implementation (Rust)
  - Bundle token extraction
  - User authentication
  - Request signing (MD5 signatures)
  - Search/browse endpoints
  - Stream URL retrieval with quality fallback
- Tauri commands for frontend IPC
- Module stubs for player, queue, config

src-tauri/tauri.conf.json

@@ -0,0 +1,43 @@
+{
+  "$schema": "https://schema.tauri.app/config/2",
+  "productName": "QBZ-NIX",
+  "version": "0.1.0",
+  "identifier": "com.blitzkriegfc.qbz-nix",
+  "build": {
+    "beforeDevCommand": "npm run dev",
+    "devUrl": "http://localhost:1420",
+    "beforeBuildCommand": "npm run build",
+    "frontendDist": "../build"
+  },
+  "app": {
+    "windows": [
+      {
+        "title": "QBZ-NIX",
+        "width": 1280,
+        "height": 800,
+        "minWidth": 800,
+        "minHeight": 600,
+        "decorations": true,
+        "transparent": false,
+        "resizable": true
+      }
+    ],
+    "security": {
+      "csp": null
+    }
+  },
+  "bundle": {
+    "active": true,
+    "targets": "all",
+    "icon": [
+      "icons/32x32.png",
+      "icons/128x128.png",
+      "icons/128x128@2x.png",
+      "icons/icon.icns",
+      "icons/icon.ico"
+    ],
+    "category": "Music",
+    "shortDescription": "Native Qobuz client for Linux",
+    "longDescription": "QBZ-NIX is a native Qobuz streaming client for Linux, designed for audiophiles who need bit-perfect playback without browser sample rate limitations."
+  }
+}