Update go/drive redirect URL and add 2026 comment

[Copilot]

This PR updates the /go/drive redirect configuration to point to a new Google Drive folder and updates the year comment to 2026.

Changes

Configuration Update (config/nginx.conf.erb)

• Updated the redirect URL for /go/drive from the old folder ID (1E4HmwzI_BQCs25RNJsNfigko_O240qlh) to the new folder ID (19x59Y336dQncEi5Au4YY2AiFPXWjak1x)
• Changed the year comment from # 2025 to # 2026 to match the format used in /go/expense

Testing (spec/rubykaigi_org_spec.rb)

• Added comprehensive tests for the /go/drive endpoint
• Tests verify both HTTP and HTTPS requests return 302 redirects to the correct Google Drive folder
• Tests follow the existing pattern used for other /go/* endpoints like /go/policies

Housekeeping (.gitignore)

• Added vendor/bundle/ and .bundle/ to prevent committing Ruby gem dependencies

Result

Users accessing rubykaigi.org/go/drive will now be redirected to:

https://drive.google.com/drive/folders/19x59Y336dQncEi5Au4YY2AiFPXWjak1x?usp=drive_link

The configuration now maintains consistency with other internal redirect endpoints like /go/expense which also has a 2026 comment.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• rubykansai.github.io
  • Triggering command: nginx -c /etc/nginx/nginx.conf (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

Original prompt

Update the go/drive redirect configuration to:

1. Change the redirect URL to: https://drive.google.com/drive/folders/19x59Y336dQncEi5Au4YY2AiFPXWjak1x?usp=drive_link
2. Add a comment about 2026 similar to the format used in go/expense

Please update the relevant configuration file to make these changes while maintaining the existing format and structure of the redirect entries.

This pull request was created as a result of the following prompt from Copilot chat.

Update the go/drive redirect configuration to:

1. Change the redirect URL to: https://drive.google.com/drive/folders/19x59Y336dQncEi5Au4YY2AiFPXWjak1x?usp=drive_link
2. Add a comment about 2026 similar to the format used in go/expense

Please update the relevant configuration file to make these changes while maintaining the existing format and structure of the redirect entries.

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