Add Castle documentation content

- Emergency procedures (fire, medical, weather, utilities)
- Equipment guides (tractor, heating, kitchen, tools)
- Getting started (house rules, FAQ, supplies)
- Infrastructure docs (electrical, water, internet, heating)
- Spaces overview (main building, outbuildings, outdoor)

content/spaces/main-building.md

@@ -0,0 +1,41 @@
+---
+title: Main Building
+description: Guide to the main building and its rooms
+tags:
+  - spaces
+  - building
+---
+
+# Main Building
+
+## Overview
+
+*TBD: Description of the main building*
+
+## Floor Plan
+
+*TBD: Add floor plan image or description*
+
+## Rooms
+
+### Ground Floor
+*TBD*
+
+### Upper Floor(s)
+*TBD*
+
+### Basement (if applicable)
+*TBD*
+
+## Key Infrastructure in This Building
+
+| System | Location |
+|--------|----------|
+| Electrical panel | *TBD* - See [[electrical]] |
+| Water shutoff | *TBD* - See [[water]] |
+| Heating | *TBD* - See [[wood-fire-heater]] |
+| Fire extinguisher | *TBD* |
+
+## Building-Specific Notes
+
+*TBD: Any quirks, features, or important notes about this building*