Add jupyterlab-execute-time

Author: fcollonval

extensions.tpl

@@ -104,6 +104,7 @@ This a list of nice JupyterLab extensions not part of ``jupyterlab-contrib`` org
 - [jupyterlab-autoplay](https://github.com/remborg/autoplay): Run and hide code cells automatically when opening a notebook.
 - [jupyterlab-autorun-cells](https://github.com/epi2me-labs/jupyterlab-autorun-cells): Allows toggling of code cells to execute automatically after opening a notebook.
 - [jupyterlab_debugger](https://github.com/jupyterlab/debugger): [Built-in since v3] JupyterLab extension to allow visual debuggeing of Jupyter notebooks, consoles, and source files.
+- [jupyterlab-execute-time](https://github.com/deshaw/jupyterlab-execute-time): Execute Time Plugin for Jupyter Lab
 - [jupyterlab-sos](https://github.com/vatlab/jupyterlab-sos): Jupyterlab extension for SoS Polyglot Notebook and Workflow Engine, allows multiple kernels in one notebook 
 - [jupyterlab_spark](https://github.com/manuzhang/jupyterlab_spark): Spark Application UI extension for JupyterLab
 - [jupyterlab_tensorboard](https://github.com/chaoleili/jupyterlab_tensorboard): Tensorboard extension for jupyterlab