new start server script based on js

use js for cross-platform startup.

package.json

@@ -6,7 +6,7 @@
   "private": true,
   "scripts": {
     "build": "tiddlywiki --build index && mv output/index.html .",
-    "start": "bash start.sh",
+    "start": "node start.js",
     "test": "npm run build"
   },
   "repository": {

start.js

@@ -0,0 +1,26 @@
+'use strict';
+
+const tiddlywiki = require("tiddlywiki");
+
+const tw = tiddlywiki.TiddlyWiki();
+
+const host = process.env.HOST
+const port = process.env.WIKIPORT ?? '7777'
+const password = process.env.WIKIPW
+
+const argv = ['--listen']
+
+if (host) {
+    argv.push('host='+host)
+}
+argv.push('port='+port)
+if (password) {
+    argv.push('username=miRoox', 'password='+password)
+}
+argv.push('readers=(anon)', 'writers=(authenticated)', 'admin=miRoox')
+
+console.debug('arg: %o', argv)
+
+tw.boot.argv = argv
+
+tw.boot.boot();