Forge Slate - 1.15.2 updated to version 1.0.2
• Added Create-a-modpack files to the http://mod.goldn.cc/forge15_create
Type in the modpack name (Forge Slate - 1.15.2) or paste the following url into the search box.
Finally, click Install at the bottom right of the launcher after you select Forge Slate - 1.15.2 from the list on the left. The launcher will handle everything else!