Release v6.5.0: Documentation Overhaul

Comprehensive documentation update with current features:
- Updated "What's New" section to highlight v6.4.x features
- Added privacy tags and context configuration to key features
- Fixed default model (claude-haiku-4-5)
- Clarified lifecycle hook count (5 events, 6 scripts)
- Removed outdated MCP server references
- Updated version numbers across all docs

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

plugin/.claude-plugin/plugin.json

@@ -1,6 +1,6 @@
 {
   "name": "claude-mem",
-  "version": "6.4.9",
+  "version": "6.5.0",
   "description": "Persistent memory system for Claude Code - seamlessly preserve context across sessions",
   "author": {
     "name": "Alex Newman"