fix: rename application from Keep to Mento in UI and docs

- Update sidebar.tsx to display "Mento" instead of "Keep"
- Update README.md title from "Keep Notes" to "Mento"
- Update DOCKER_DEPLOYMENT.md references to "Mento"
- Update deploy.sh script comments to use "Mento"
- Add DOCKER-SETUP.md with Docker configuration guide

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

.claude/settings.local.json

@@ -56,7 +56,8 @@
       "mcp__context7__query-docs",
       "Bash(docker logs:*)",
       "Bash(docker run:*)",
-      "Bash(docker exec:*)"
+      "Bash(docker exec:*)",
+      "Bash(git reset:*)"
     ]
   }
 }