Revert "Add yet-another-react-lightbox package and update .gitignore to exclude node_modules"

This reverts commit c92f4a5edd.

frontend/node_modules/@babel/helper-string-parser/README.md

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+# @babel/helper-string-parser
+
+> A utility package to parse strings
+
+See our website [@babel/helper-string-parser](https://babeljs.io/docs/babel-helper-string-parser) for more information.
+
+## Install
+
+Using npm:
+
+```sh
+npm install --save @babel/helper-string-parser
+```
+
+or using yarn:
+
+```sh
+yarn add @babel/helper-string-parser
+```