docs: Add terminal.detect_venv; only detect venv with bin subdir (#17437)

- Add docs for terminal.detect_venv
- Only detect venv with bin subdir

docs/src/languages/python.md

@@ -100,6 +100,11 @@ The Pyright language server does not provide code formatting or linting. If you
 
 A common tool for formatting Python code is [Ruff](https://docs.astral.sh/ruff/). It is another tool written in Rust, an extremely fast Python linter and code formatter. It is available through the [Ruff extension](https://github.com/zed-industries/zed/tree/main/extensions/ruff/). To configure the Ruff extension to work within Zed, see the setup documentation [here](https://docs.astral.sh/ruff/editors/setup/#zed).
 
+## Virtual Environments in the Terminal {#terminal-detect_venv}
+
+Zed will also detect virtual environments and automatically activate them in terminal if available.
+See: [detect_venv documentation](https://zed.dev/docs/configuring-zed#terminal-detect_venv) for more.
+
 <!--
 TBD: Expand Python Ruff docs.
 TBD: Ruff pyproject.toml, ruff.toml docs. `ruff.configuration`.