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

This reverts commit c92f4a5edd.

frontend/node_modules/@react-jvectormap/world/README.md

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+# @react-jvectormap/world
+
+A collection of JvectorMap maps of World.
+
+Available Maps:
+
+- worldMill
+- worldMerc
+
+## Installation:
+
+```
+    yarn add @react-jvectormap/world
+```
+
+or:
+
+```
+    npm install --save @react-jvectormap/world
+```
+
+## Usage
+
+```
+    import { worldMill } from '@react-jvectormap/world';
+```
+
+or:
+
+```
+    import worldMill from '@react-jvectormap/world/dist/worldMill';
+```