Add PCD @ Hangzhou to the PCD map

[github-actions]

Note

The Plus Code was auto-recovered from the user's input (924P+WM9 余杭区 浙江省杭州市) using the city as a reference. Please verify the map pin placement is correct (https://plus.codes/8Q22924P+WM9).

Closes #129

This PR was generated from the "New Event" issue form for PCD @ Hangzhou.
Submitted by @ZeizeiY.

Review checklist

• The event data below is accurate
• The map pin is placed correctly (check Plus Code)
• The event displays correctly in the Netlify preview (link posted by the Netlify bot)

Event data

Field	Value
Event name	PCD @ Hangzhou
Contact	Zhiyuan Zhou(Zack) (public@designanything.design)
Format	In person
Date	No response
End date	No response
Start time	No response
End time	No response
Address	No response
Plus Code	8Q22924P+WM9
City	Hangzhou
Country	China
Organization	D&A Community
Organization URL	https://designanything.design/
Organization type	School, university, library
Event URL	No response
Event page	No response
Forum thread	https://discourse.processing.org/t/pcd-hangzhou-2026/48898
Short description	No response
Activities	Creative coding jams or hack sessions, Show-and-tell, Student project presentations
Organizers	Zhiyuan Zhou, Chifei xue

Long description

No response

[netlify]

✅ Deploy Preview for processing-community-day ready!

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🔍 Latest deploy log	https://app.netlify.com/projects/processing-community-day/deploys/6a425b96f7e7d30009c7c0f3
😎 Deploy Preview	https://deploy-preview-130--processing-community-day.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.
🤖 Make changes	Run an agent on this branch

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