rate limits for slacklists methods

Author: srtaalej

metadata/web-api/rate_limit_tiers.json

@@ -267,7 +267,18 @@
   "search.all": "Tier2",
   "search.files": "Tier2",
   "search.messages": "Tier2",
+  "slackLists.accessDelete": "Tier3",
+  "slackLists.accessSet": "Tier3",
   "slackLists.create": "Tier2",
+  "slackLists.downloadGet": "Tier4",
+  "slackLists.downloadStart": "Tier2",
+  "slackLists.itemsCreate": "Tier3",
+  "slackLists.itemsDelete": "Tier2",
+  "slackLists.itemsDeleteMultiple": "Tier2",
+  "slackLists.itemsInfo": "Tier2",
+  "slackLists.itemsList": "Tier2",
+  "slackLists.itemsUpdate": "Tier3",
+  "slackLists.update": "Tier2",
   "stars.add": "Tier2",
   "stars.list": "Tier3",
   "stars.remove": "Tier2",