[misskey] add 'date-min' & 'date-max' options (#8516)

TODO: implement 'order-posts' option

docs/configuration.rst

@@ -4145,6 +4145,16 @@ Description
     Your access token, necessary to fetch favorited notes.
 
 
+extractor.[misskey].date-min & .date-max
+----------------------------------------
+Type
+    |Date|_
+Default
+    ``null``
+Description
+    Retrieve only notes posted after/before this |Date|_
+
+
 extractor.[misskey].include
 ---------------------------
 Type

docs/gallery-dl.conf

@@ -1079,6 +1079,8 @@
         "misskey":
         {
             "access-token": null,
+            "date-min"    : null,
+            "date-max"    : null,
             "include"     : ["notes"],
             "renotes"     : false,
             "replies"     : true,