Initial commit: Ignis Client Python

- Sync and async HTTP clients for Ignis Core WiZ server
- 23 endpoints: auth, devices, groups, control, schedules, stats, API keys
- Pydantic models with client-side validation
- 108 unit tests
- README with role table and usage examples

.gitignore

@@ -0,0 +1,13 @@
+__pycache__/
+*.py[cod]
+*.egg-info/
+dist/
+build/
+.venv/
+venv/
+*.db
+.DS_Store
+*.swp
+*.swo
+*~
+ai-docs/