♿ move comics to their own directory

README.md

@@ -39,7 +39,8 @@ sunday/
     │   └── style.css        # Main stylesheet
     ├── js/
     │   └── comic-nav.js     # Client-side navigation
-    ├── images/              # Comic images
+    ├── images/              # Image directory
+    │   ├── comics/          # Comic images
     │   └── thumbs/          # Thumbnail images for archive
     └── feed.rss             # RSS feed (generated)
 ```
@@ -103,7 +104,7 @@ python scripts/add_comic.py
 This will automatically add a new entry with defaults. Then edit `comics_data.py` to customize.
 
 **Option 2: Manual**
-1. Save your comic image in `static/images/` (e.g., `comic-001.png`)
+1. Save your comic image in `static/images/comics/` (e.g., `comic-001.png`)
 2. Optionally, create a thumbnail in `static/images/thumbs/` with the same filename
 3. Add the comic entry to the `COMICS` list in `comics_data.py`