Adds setup

setup.lua

@@ -1,9 +1,15 @@
-
-yl_announcements.data = {}
+local mkdir = minetest.mkdir
+local save_path = yl_announcements.settings.save_path
+local path = yl_announcements.worldpath .. DIR_DELIM .. save_path
 
 local function run_once()
-    local data = yl_announcements.modstorage:get("data") or "[]"
-    yl_announcements.data = minetest.parse_json(data) or {}
+    local file = io.open(path, "r")
+    if not file then
+        mkdir(path)
+    else
+        file:close()
+    end
+
 end
 
 run_once()