Initial commit: OpenClaw workspace setup

- Added core identity/soul files
- Added .gitignore to protect sensitive data
- Configured Matrix channel with autoReply and groupAllowFrom
- Note: /root/.openclaw/openclaw.json contains active config (Matrix fixes)

.gitignore

@@ -0,0 +1,37 @@
+# OpenClaw workspace .gitignore
+
+# Sensitive credentials and tokens
+.credentials/
+matrix/accounts/
+agents/**/sessions/*.jsonl
+agents/**/sessions/*.lock
+identity/device.json
+identity/device-auth.json
+extensions/*/node_modules/
+
+# Temporary and cache
+canvas/
+tmp/
+*.log
+*.pid
+*.sock
+
+# OS and editor files
+.DS_Store
+Thumbs.db
+*.swp
+*.swo
+.vscode/
+.idea/
+
+# Backup files
+*.bak
+*.backup
+.openclaw/openclaw.json.bak
+
+# Node modules (if ever in workspace)
+node_modules/
+
+# Environment files
+.env
+.env.*