fgm/js___webpack_concepts: From the webpack academy core concepts tutorial.

From the webpack academy core concepts tutorial.

Frederic G. MARAND 8e1f6ecf63 Video 11: writing and using plugins.		4 lat temu
.idea	7cb82aaab0 Video 2: webpack.config.js entry, output.filename.	4 lat temu
src	85ef2804a3 video 9: actually using a loader.	4 lat temu
.gitignore	f5d44e44ef Video 3: output.path	4 lat temu
ExamplePlugin.js	8e1f6ecf63 Video 11: writing and using plugins.	4 lat temu
package.json	85ef2804a3 video 9: actually using a loader.	4 lat temu
webpack.config.js	8e1f6ecf63 Video 11: writing and using plugins.	4 lat temu
yarn.lock	85ef2804a3 video 9: actually using a loader.	4 lat temu