Merge pull request #40 from toshihikoyanase/provide-requirements-at-hub

Provide `requirements.txt` at hub.optuna.org

hugo_build.py

@@ -25,6 +25,11 @@ def main() -> None:
             if os.path.exists(imgdir):
                 shutil.copytree(imgdir, f"{hugo_dir}/images", dirs_exist_ok=True)
 
+            # Copy requirements.txt if exists.
+            reqfile = f"{registry_dir}/{c}/{p}/requirements.txt"
+            if os.path.exists(reqfile):
+                shutil.copy2(reqfile, hugo_dir)
+
             # Read README.md and create index.md from it with modifications.
             with open(f"{registry_dir}/{c}/{p}/README.md", "r") as readme_md:
                 contents = frontmatter.load(readme_md)