feat: launch 3d architecture documentation portal

ways-of-working/delivery.md

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+---
+title: "Delivery Practices"
+description: "Deliver small, verifiable increments toward the browser POC."
+---
+
+# Deliver with evidence
+
+Each increment should connect one user-visible outcome to source, validation, exact-head CI, and deployed readback. Keep project records in their canonical location and link rather than copy them.

ways-of-working/team.md

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+---
+title: "Team"
+description: "Understand ownership and collaboration expectations."
+slug: /
+---
+
+# Work with the team
+
+- **Lead:** Linas
+- **Team:** 3darch project team
+
+The lead owns product direction and coordinates scope decisions. Contributors preserve reviewable changes, link evidence, and surface uncertainty early.