feat: initial companion repo for OpenClaw vs Claude Code article

40 files demonstrating every major OpenClaw capability using Claude Code:
- 3 agents (researcher, writer, reviewer)
- 3 skills (daily-briefing, slack-message, web-research)
- 2 security hooks (pre-tool-use blocker, post-tool-use logger)
- 10 self-contained examples with copy-paste prompts
- Complete feature map (20 capabilities, 11 full match, 7 different, 2 gap)
- Security docs including NemoClaw comparison
- Automation, messaging, browser, memory documentation

Zero dependencies. Clone and run.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

memory/MEMORY.md

@@ -0,0 +1,13 @@
+# Project Memory
+
+Last updated: [date]
+
+## Notes
+
+This is the project's persistent memory. Add notes here that should persist
+across Claude Code sessions.
+
+CLAUDE.md is for instructions (how Claude should behave, what rules to follow).
+MEMORY.md is for state (what happened, what was decided, what to pick up next).
+
+## Preferences