docs: rename Code Execution extension to Code Mode extension (#7316)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

documentation/docs/getting-started/using-extensions.md

@@ -37,10 +37,11 @@ Platform extensions are built-in extensions that provide global features like co
 
 - [Apps](/docs/mcp/apps-mcp): Create, manage, and launch custom HTML apps in standalone windows
 - [Chat Recall](/docs/mcp/chatrecall-mcp): Search conversation content across all your session history
-- [Code Execution](/docs/mcp/code-execution-mcp): Execute JavaScript code for tool discovery and tool calling
+- [Code Mode](/docs/mcp/code-mode-mcp): Execute JavaScript code for tool discovery and tool calling
 - [Extension Manager](/docs/mcp/extension-manager-mcp): Discover, enable, and disable extensions dynamically during sessions (enabled by default)
 - [Summon](/docs/mcp/summon-mcp): Load skills and recipes, and delegate tasks to subagents (enabled by default)
 - [Todo](/docs/mcp/todo-mcp): Manage task lists and track progress across sessions (enabled by default)
+- [Top of Mind](/docs/mcp/tom-mcp): Inject persistent instructions into goose's working memory every turn
 
 ### Toggling Built-in Extensions