[feat] pixiv engine: add filter for AI generated images

searx/engines/pixiv.py

@@ -17,6 +17,7 @@ about = {
 # Engine configuration
 paging = True
 categories = ['images']
+remove_ai_images = False
 
 # Search URL
 base_url = "https://www.pixiv.net/ajax/search/illustrations"
@@ -34,6 +35,9 @@ def request(query, params):
         "lang": "en",
     }
 
+    if remove_ai_images is True:
+        query_params.update({"ai_type": 1})
+
     params["url"] = f"{base_url}/{query}?{urlencode(query_params)}"
 
     return params