docs: initialize stewardship wiki

Home.md

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+# C5 JACKED Wiki
+
+## Stewardship Status
+
+This private wiki was initialized during the 2026-05-20 stewardship pass.
+
+- Local parent folder had no root Git repository.
+- Nested project checkout: `ESP32-C5-J4CK3D/`.
+- Upstream remote: `https://github.com/Evil-Project-Team/ESP32-C5-J4CK3D.git`.
+- Keep this as README-only until you decide whether to mirror the nested checkout.
+
+## Next Steps
+
+Decide whether this repo stays as a parent index or becomes a full mirror of the nested firmware project.