add fetch timeout setting, increase default to 30 seconds

ak_stuff.lua

@@ -4,6 +4,7 @@
 
 
 local FETCH_INTERVAL = tonumber(minetest.settings:get("ak_announcer.fetch_interval")) or 4*60
+local FETCH_TIMEOUT = tonumber(minetest.settings:get("ak_announcer.fetch_timeout")) or 30
 
 local aka = ak_announcer
 aka.my_offset = 0
@@ -149,7 +150,7 @@ function aka.fetch_data(name, cb)
 
 	http.fetch({
 		url = url .. api .. "/?format=json",
-		timeout = 5
+		timeout = FETCH_TIMEOUT
 	}, function(res)
 		local value = minetest.parse_json(res.data)
 		local new_data = {}

init.lua

 local API = minetest.settings:get("ak_announcer.api_endpoint") or "http://ak.kif.rocks/kif490/api/"
 local FETCH_INTERVAL = tonumber(minetest.settings:get("ak_announcer.fetch_interval")) or 4*60
+local FETCH_TIMEOUT = tonumber(minetest.settings:get("ak_announcer.fetch_timeout")) or 30
 
 if API:sub(-1) ~= "/" then
 	API = API.."/"