Support for transferring crafting queues

plugins/inventory_sync/module/commands.lua

@@ -0,0 +1,17 @@
+local save_crafts = require("modules/inventory_sync/save_crafts")
+local restore_crafts = require("modules/inventory_sync/restore_crafts")
+
+function add_commands()
+    --[[
+        Command to serialize crafting queue for transport.
+        When serialized, the crafting queue is cleared and stored in global. The items received are cleared as well.
+        Upon leaving, the value in global is cleared and sent with the inventory to the master.
+        Upon joining a game the crafting queue is added to the end of the existing crafting queue.
+    ]]
+	commands.add_command("save-crafts", "Save crafting queue for transport to a different server", save_crafts)
+    commands.add_command("csc", "Shorthand for /save-crafts", save_crafts)
+    commands.add_command("restore-crafts", "Load crafting queue from global", restore_crafts)
+    commands.add_command("crc", "Shorthand for /restore-crafts", restore_crafts)
+end
+
+return add_commands