add argument to specify config

.gitignore

@@ -1,3 +1,4 @@
 /node_modules
 /yarn-error.log
 /dist
+/config.toml

index.js

@@ -7,16 +7,16 @@ import { v4 as uuidv4 } from "uuid";
 import express from "express";
 
 const url_path      = "/";
-const config_path   = "config.toml";
 const template_dir  = "template/";
 const template_path = "index.html.njk";
 const output_path   = "dist/index.html";
-
+var config_path   = "config.toml";
 
 function main() {
   program
     .option("--serve", "serve the gerneated files")
     .option("--generate", "generate prod ready files")
+    .option("--config <config>", "config file you use, config-sample.toml as example");
   program.parse();
   const options = program.opts();
 
@@ -25,6 +25,10 @@ function main() {
     program.help();
   }
 
+  if (options.config) {
+    config_path = options.config;
+  }
+
   let config = fs.readFileSync(config_path, {encoding: "utf-8"});
   config = toml.parse(config)