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

This reverts commit c92f4a5edd.

frontend/node_modules/@fullcalendar/interaction/README.md

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+
+# FullCalendar Interaction Plugin
+
+Calendar functionality for event drag-n-drop, event resizing, date clicking, and date selecting
+
+## Installation
+
+Install the FullCalendar core package, the interaction plugin, and any other plugins (like [daygrid](https://fullcalendar.io/docs/month-view)):
+
+```sh
+npm install @fullcalendar/core @fullcalendar/interaction @fullcalendar/daygrid
+```
+
+## Usage
+
+Instantiate a Calendar with the necessary plugins and options:
+
+```js
+import { Calendar } from '@fullcalendar/core'
+import interactionPlugin from '@fullcalendar/interaction'
+import dayGridPlugin from '@fullcalendar/daygrid'
+
+const calendarEl = document.getElementById('calendar')
+const calendar = new Calendar(calendarEl, {
+  plugins: [
+    interactionPlugin,
+    dayGridPlugin
+  ],
+  initialView: 'dayGridMonth',
+  editable: true, // important for activating event interactions!
+  selectable: true, // important for activating date selectability!
+  events: [
+    { title: 'Meeting', start: new Date() }
+  ]
+})
+
+calendar.render()
+```