docs: added html-webpack-plugin-django to README (#1716)

Author: TommasoAmici

README.md

@@ -89,6 +89,7 @@ The `html-webpack-plugin` provides [hooks](https://github.com/jantimon/html-webp
   * [html-webpack-skip-assets-plugin](https://github.com/swimmadude66/html-webpack-skip-assets-plugin) Skip adding certain output files to the html file. Built as a drop-in replacement for [html-webpack-exclude-assets-plugin](https://www.npmjs.com/package/html-webpack-exclude-assets-plugin) and works with newer [html-webpack-plugin](https://github.com/jantimon/html-webpack-plugin) versions
  * [html-webpack-inject-preload](https://github.com/principalstudio/html-webpack-inject-preload) allows to add preload links <link rel='preload'> anywhere you want.
  * [inject-body-webpack-plugin](https://github.com/Jaid/inject-body-webpack-plugin) is a simple method of injecting a custom HTML string into the body.
+ * [html-webpack-plugin-django](https://github.com/TommasoAmici/html-webpack-plugin-django) a Webpack plugin to inject Django static tags.
 
 
 <h2 align="center">Usage</h2>