[webtoons] use a default delay pf 0.5-1.5s between requests (#7329)

docs/configuration.rst

@@ -401,6 +401,7 @@ Default
         ``soundgasm``,
         ``urlgalleries``,
         ``vk``,
+        ``webtoons``,
         ``weebcentral``,
         ``xfolio``,
         ``zerochan``

docs/gallery-dl.conf

@@ -732,11 +732,11 @@
             "api-key" : null,
             "metadata": false
         },
-        "weebcentral":
+        "webtoons":
         {
             "sleep-request": "0.5-1.5"
         },
-        "xfolio":
+        "weebcentral":
         {
             "sleep-request": "0.5-1.5"
         },
@@ -751,6 +751,10 @@
             "retweets" : false,
             "videos"   : true
         },
+        "xfolio":
+        {
+            "sleep-request": "0.5-1.5"
+        },
         "ytdl":
         {
             "cmdline-args": null,

gallery_dl/extractor/webtoons.py

@@ -20,6 +20,7 @@ class WebtoonsBase():
     category = "webtoons"
     root = "https://www.webtoons.com"
     cookies_domain = ".webtoons.com"
+    request_interval = (0.5, 1.5)
 
     def setup_agegate_cookies(self):
         self.cookies_update({