feat(commands): add a RegisterCommand wrapper

imports/commands/server.lua

@@ -0,0 +1,48 @@
+---@param group string
+---@param name string
+---@param callback function
+---@param arguments string
+local function AddCommand(group, name, callback, arguments)
+	if type(name) == 'table' then
+		for i=1, #name do
+			AddCommand(group, name[i], callback, arguments)
+		end
+	else
+		if not group then group = 'builtin.everyone' end
+
+		RegisterCommand(name, function(source, args)
+			if arguments then
+				for i=1, #arguments do
+					local arg, argType = string.strsplit(':', arguments[i])
+					local value = args[i]
+
+					if arg == 'target' and value == 'me' then value = source end
+
+					if argType then
+						if argType == 'number' then value = tonumber(value) end
+						assert(type(value) == argType or argType:find('?'), ('%s expected <%s> for argument %s (%s), received %s'):format(name, argType, i, arg, type(value)))
+					end
+
+					args[arg] = value
+					args[i] = nil
+				end
+			end
+			callback(tonumber(source), args)
+		end, group and true)
+
+		name = ('command.%s'):format(name)
+		if not IsPrincipalAceAllowed(group, name) then ExecuteCommand(('add_ace %s %s allow'):format(group, name)) end
+	end
+end
+
+return AddCommand
+
+--[[ Example
+    AddCommand('admin', {'additem', 'giveitem'}, function(source, args)
+        args.item = Items(args.item)
+        if args.item and args.count > 0 then
+            Inventory.AddItem(args.target, args.item.name, args.count, args.metatype)
+        end
+    end, {'target:number', 'item:string', 'count:number', 'metatype:?string'})
+    -- /additem 1 burger 1
+]]