feat: Initial clean release of CHM

packages/app-cli/tests/support/plugins/toc/README.md

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+# Joplin Plugin
+
+This is a template to create a new Joplin plugin.
+
+The main two files you will want to look at are:
+
+- `/src/index.ts`, which contains the entry point for the plugin source code.
+- `/src/manifest.json`, which is the plugin manifest. It contains information such as the plugin a name, version, etc.
+
+## Building the plugin
+
+The plugin is built using Webpack, which creates the compiled code in `/dist`. A JPL archive will also be created at the root, which can use to distribute the plugin.
+
+To build the plugin, simply run `npm run dist`.
+
+The project is setup to use TypeScript, although you can change the configuration to use plain JavaScript.
+
+## Updating the plugin framework
+
+To update the plugin framework, run `yo joplin --update`
+
+Keep in mind that doing so will overwrite all the framework-related files **outside of the "src/" directory** (your source code will not be touched). So if you have modified any of the framework-related files, such as package.json or .gitignore, make sure your code is under version control so that you can check the diff and re-apply your changes.
+
+For that reason, it's generally best not to change any of the framework files or to do so in a way that minimises the number of changes. For example, if you want to modify the Webpack config, create a new separate JavaScript file and include it in webpack.config.js. That way, when you update, you only have to restore the line that include your file.