fix: CLI syntax error and add conversation remove command

- Fixed bin/brainy.js to import compiled TypeScript CLI
- Added conversation remove command to clean up MCP setup
- Fixed tsconfig.json to include CLI in compilation
- Fixed package.json import in CLI using readFileSync
- Fixed storage config structure in conversation setup

Fixes the 'Unexpected identifier as' syntax error when running
brainy conversation setup globally.

Version: 3.19.1

tsconfig.json

@@ -28,8 +28,6 @@
     "node_modules",
     "dist",
     "**/*.test.ts",
-    "src/cli/**/*",
-    "src/scripts/**/*",
-    "src/mcp/**/*"
+    "src/scripts/**/*"
   ]
 }