Add build script

scripts/build-docs.py

@@ -0,0 +1,24 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import os
+import shutil
+import subprocess
+
+
+def build_docs(input_dir: str, output_dir: str):
+    subprocess.call('mkdocs build', shell=True, cwd=input_dir)
+    site_dir = os.path.join(input_dir, 'site')
+    shutil.copytree(site_dir, output_dir)
+
+
+def main() -> None:
+    if os.path.exists('site'):
+        os.removedirs('site')
+
+    os.mkdir('site')
+    build_docs('./docs/en', output_dir='site/en')
+
+
+if __name__ == '__main__':
+    main()