renamed plugin folder and removed old folder

js/.eslintrc.js

js/.gitignore

js/.prettierignore

js/.prettierrc

js/README.md

js/Template Laboratory Tasks.ipynb

js/package.json

js/src/index.ts

js/style/index.css

js/tsconfig.json

jupyterlab_rwth/.eslintignore

labextension/.eslintignore

labextension/.eslintrc.js

labextension/.github/workflows/build.yml

labextension/.github/workflows/check-release.yml

labextension/.gitignore

labextension/.prettierignore

labextension/.prettierrc

labextension/LICENSE

labextension/MANIFEST.in