feat: Implement image fetching and storage system

- Add image-fetcher module for downloading and saving images from various sources.
- Create storage module for managing image files, including downloading, verifying integrity, and cleaning up orphaned files.
- Develop gallery HTML page for displaying images with sorting and filtering options.
- Set up RESTful API routes for image management, including fetching, adding tags, and deleting images.
- Introduce setup script for initializing the database and configuring image sources.
- Implement a batch process for verifying image integrity and cleaning up old images.
- Add setup batch script for easy installation and configuration of the image storage system.

package.json

@@ -11,6 +11,9 @@
   "author": "",
   "license": "MIT",
   "dependencies": {
-    "express": "^4.18.2"
+    "express": "^4.18.2",
+    "sqlite3": "^5.1.6",
+    "axios": "^1.6.0",
+    "crypto": "^1.0.1"
   }
 }