Feat - POC Event pages and relations

[ProtasGregoire]

closes #65

Add events pages and relations to people

What is the goal of this PR:

• Add listing page for future and past attendance to events (as speaker, visitor or sponsor)
• Add listing page for our Twitch streams and replays
• Add the notion of events
• Add relationship between events and conferences
• Add relationship between events and people
• Add a detailed page for each event attended
• Add Events link in the footer

To add later:

• Add visuals to match the current design of the website
• Add content matching our conference attendance

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Project	Deployment	Actions	Updated (UTC)
bearstudio.fr	Ready	Preview, Comment	May 25, 2026 8:09am

[ProtasGregoire]

Rebase fait, c'est fonctionnel, mais je voudrais nettoyer un peu (du code dupliqué + créer un util pour distinguer les personnes avec / sans info complètes)