Add internal china domains list

Build/build-internal-chn-domains.js

@@ -0,0 +1,25 @@
+// @ts-check
+const { fetchRemoteTextAndCreateReadlineInterface } = require('./lib/fetch-remote-text-by-line');
+const { processLine } = require('./lib/process-line');
+const path = require('path');
+const fse = require('fs-extra');
+const fs = require('fs');
+
+(async () => {
+  /** @type {Set<string>} */
+  const result = new Set();
+  for await (const line of await fetchRemoteTextAndCreateReadlineInterface('https://raw.githubusercontent.com/felixonmars/dnsmasq-china-list/master/accelerated-domains.china.conf')) {
+    const l = processLine(line);
+    if (l) {
+      result.add(
+        l.replace('server=/', '').replace('/114.114.114.114', '')
+      );
+    }
+  }
+
+  await fse.ensureDir(path.resolve(__dirname, '../List/internal'));
+  await fs.promises.writeFile(
+    path.resolve(__dirname, '../List/internal/accelerated-china-domains.txt'),
+    `${Array.from(result).map(line => `SUFFIX,${line}`).join('\n')}\n`
+  );
+})();