add runcode resource

resources/runcode/runcode_shared.lua

@@ -0,0 +1,17 @@
+function RunCode(code)
+	local code, err = load(code, '@runcode')
+
+	if err then
+		print(err)
+		return nil, err
+	end
+
+	local status, result = pcall(code)
+	print(result)
+
+	if status then
+		return result
+	else
+		return nil, result
+	end
+end