chore: integrate old MemoryPalace files and configure auto-commit

docs/reference-material/README.md

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+# Reference Material
+
+External documentation, guides, and reference materials.
+
+## 📁 Contents
+
+### [boxstadium/](boxstadium/)
+
+Documentation for Box Stadium:
+
+- **box-stadium-english.md** - English documentation
+- **box-stadium-spanish.md** - Spanish documentation
+- **scratchpad.md** - Working notes
+
+### [other/](other/)
+
+Additional reference materials and documentation
+
+## 📝 Usage
+
+This folder contains:
+
+- External documentation that doesn't fit in projects
+- Reference guides and specifications
+- Translations and localized content
+- Working notes and research materials
+
+## 🔗 Related
+
+- See [/docs/projects/](../projects/) for project-specific documentation
+- See [/docs/concepts/](../concepts/) for evergreen knowledge notes