Add server privs restriction to mcl_villages build tool (#4043)

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Fixes #4022

### Testing
-Make a new world, check host server and go into creative mode
-Since you're the server you have the server privs so get the mcl_villages build tool item in creative inventory and use it to see if it works
-Have someone join your server and give them the same item to use and see if they are restricted from using it

Reviewed-on: MineClone2/MineClone2#4043
Reviewed-by: chmodsayshello <chmodsayshello@hotmail.com>
Co-authored-by: Eliy21 <eliy21@noreply.git.minetest.land>
Co-committed-by: Eliy21 <eliy21@noreply.git.minetest.land>

mods/MAPGEN/mcl_villages/init.lua

@@ -128,6 +128,10 @@ if minetest.is_creative_enabled("") then
 		-- build ssettlement
 		on_place = function(itemstack, placer, pointed_thing)
 			if not pointed_thing.under then return end
+			if not minetest.check_player_privs(placer, "server") then
+				minetest.chat_send_player(placer:get_player_name(), S("Placement denied. You need the “server” privilege to place villages."))
+				return
+			end
 			local minp = vector.subtract(	pointed_thing.under, half_map_chunk_size)
 		        local maxp = vector.add(	pointed_thing.under, half_map_chunk_size)
 			build_a_settlement(minp, maxp, math.random(0,32767))

mods/MAPGEN/mcl_villages/locale/mcl_villages.de.tr

@@ -0,0 +1,4 @@
+# textdomain: mcl_villages
+Chiseled Stone Village Bricks=Dorfziegel aus gemeißeltem Stein
+mcl_villages build tool=mcl_villages Konstruktionswerkzeug
+Placement denied. You need the “server” privilege to place villages.=Platzierung verweigert. Sie benötigen das "server" Privileg, um Dörfer zu platzieren.

mods/MAPGEN/mcl_villages/locale/mcl_villages.fr.tr

@@ -1,3 +1,4 @@
 # textdomain: mcl_villages
 Chiseled Stone Village Bricks=Pierre sculptée du village
 mcl_villages build tool=outil de construction de mcl_villages
+Placement denied. You need the “server” privilege to place villages.=Placement refusé. Vous devez disposer du privilège "server" pour placer des villages.

mods/MAPGEN/mcl_villages/locale/mcl_villages.ja.tr

@@ -1,3 +1,4 @@
 # textdomain: mcl_villages
 Chiseled Stone Village Bricks=模様入り石村レンガ
 mcl_villages build tool=mcl_villages 構築ツール
+Placement denied. You need the “server” privilege to place villages.=配置が拒否されました。村の配置には「server」権限が必要です。

mods/MAPGEN/mcl_villages/locale/mcl_villages.ru.tr

@@ -1,3 +1,4 @@
 # textdomain: mcl_villages
 Chiseled Stone Village Bricks=Резные деревенские каменные кирпичи
 mcl_villages build tool=Инструмент постройки деревни
+Placement denied. You need the “server” privilege to place villages.=Размещение запрещено. Для размещения деревень необходима привилегия "server".

mods/MAPGEN/mcl_villages/locale/template.txt

@@ -1,3 +1,4 @@
 # textdomain: mcl_villages
 Chiseled Stone Village Bricks=
 mcl_villages build tool=
+Placement denied. You need the “server” privilege to place villages.=