[options] add '--sleep-skip' option (#6582)

https://github.com/mikf/gallery-dl/issues/6582#issuecomment-3677460485

docs/configuration.rst

@@ -464,6 +464,18 @@ Description
     Number of seconds to sleep before each download.
 
 
+extractor.*.sleep-skip
+----------------------
+Type
+    |Duration|_
+Default
+    ``0``
+Description
+    Number of seconds to sleep after
+    `skipping <extractor.*.skip_>`__
+    a file download.
+
+
 extractor.*.sleep-extractor
 ---------------------------
 Type

docs/gallery-dl.conf

@@ -77,6 +77,7 @@
         "metadata-version"  : null,
 
         "sleep"          : 0,
+        "sleep-skip"     : 0,
         "sleep-request"  : 0,
         "sleep-extractor": 0,
         "sleep-429"      : 60.0,

docs/options.md

@@ -90,6 +90,8 @@
     --sleep SECONDS             Number of seconds to wait before each download.
                                 This can be either a constant value or a range
                                 (e.g. 2.7 or 2.0-3.5)
+    --sleep-skip SECONDS        Number of seconds to wait after skipping a file
+                                download
     --sleep-request SECONDS     Number of seconds to wait between HTTP requests
                                 during data extraction
     --sleep-429 SECONDS         Number of seconds to wait when receiving a '429