Initial project setup: Obsidian vault, PostgreSQL schema, project structure

- Set up Obsidian vault with wiki structure (Characters, Episodes, Items, Locations, Lore)
- Created PostgreSQL schema with all necessary tables (characters, items, locations, episodes, relationships)
- Added git config and .gitignore
- Created project documentation (README, CLAUDE.md)
- Added environment example file
- Prepared Docker Compose for PostgreSQL

Ready for Phase 1 implementation.

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

docker-compose.yml

@@ -0,0 +1,30 @@
+version: '3.8'
+
+services:
+  postgres:
+    image: postgres:15-alpine
+    container_name: sdso-postgres
+    environment:
+      POSTGRES_DB: sdso_wiki
+      POSTGRES_USER: sdso_user
+      POSTGRES_PASSWORD: sdso_password
+    ports:
+      - "5432:5432"
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+      - ./database/schema.sql:/docker-entrypoint-initdb.d/01-schema.sql
+      - ./database/seed-data:/docker-entrypoint-initdb.d/seed-data
+    networks:
+      - sdso-network
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U sdso_user"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+volumes:
+  postgres_data:
+
+networks:
+  sdso-network:
+    driver: bridge