Initial commit, launcher extensions experiments

Author: santilland

.gitignore

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+*.bundle.*
+lib/
+node_modules/
+*.egg-info/
+.ipynb_checkpoints
+*.tsbuildinfo

README.md

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 # exampleLoader
-Testing jupyterlab customization
+
+![Github Actions Status](https://github.com/my_name/myextension/workflows/Build/badge.svg)
+
+Example loader widget to allow visualization and selection of available example notebooks
+
+
+## Requirements
+
+* JupyterLab >= 1.0
+
+## Install
+
+```bash
+jupyter labextension install exampleLoader
+```
+
+## Contributing
+
+### Install
+
+The `jlpm` command is JupyterLab's pinned version of
+[yarn](https://yarnpkg.com/) that is installed with JupyterLab. You may use
+`yarn` or `npm` in lieu of `jlpm` below.
+
+```bash
+# Clone the repo to your local environment
+# Move to exampleLoader directory
+# Install dependencies
+jlpm
+# Build Typescript source
+jlpm build
+# Link your development version of the extension with JupyterLab
+jupyter labextension link .
+# Rebuild Typescript source after making changes
+jlpm build
+# Rebuild JupyterLab after making any changes
+jupyter lab build
+```
+
+You can watch the source directory and run JupyterLab in watch mode to watch for changes in the extension's source and automatically rebuild the extension and application.
+
+```bash
+# Watch the source directory in another terminal tab
+jlpm watch
+# Run jupyterlab in watch mode in one terminal tab
+jupyter lab --watch
+```
+
+### Uninstall
+
+```bash
+jupyter labextension uninstall exampleLoader
+```
+