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

This reverts commit c92f4a5edd.

frontend/node_modules/react-dropzone/typings/tests/plugin.tsx

@@ -0,0 +1,87 @@
+import React, { Component } from "react";
+import Dropzone from "../../";
+
+export class TestReactDragEvt extends Component {
+  getFiles = async (event: React.DragEvent<HTMLDivElement>) => {
+    const files = Array.from(event.dataTransfer.files);
+    return files;
+  };
+
+  render() {
+    return (
+      <div>
+        <Dropzone getFilesFromEvent={this.getFiles}>
+          {({ getRootProps }) => <div {...getRootProps()} />}
+        </Dropzone>
+      </div>
+    );
+  }
+}
+
+export class TestDataTransferItems extends Component {
+  getFiles = async (event: React.DragEvent<HTMLDivElement>) => {
+    const items = Array.from(event.dataTransfer.items);
+    return items;
+  };
+
+  render() {
+    return (
+      <div>
+        <Dropzone getFilesFromEvent={this.getFiles}>
+          {({ getRootProps }) => <div {...getRootProps()} />}
+        </Dropzone>
+      </div>
+    );
+  }
+}
+
+export class TestNativeDragEventEvt extends Component {
+  getFiles = async (event: DragEvent) => {
+    const files = Array.from(event.dataTransfer.files);
+    return files;
+  };
+
+  render() {
+    return (
+      <div>
+        <Dropzone getFilesFromEvent={this.getFiles}>
+          {({ getRootProps }) => <div {...getRootProps()} />}
+        </Dropzone>
+      </div>
+    );
+  }
+}
+
+export class TestChangeEvt extends Component {
+  getFiles = async (event: React.ChangeEvent<HTMLInputElement>) => {
+    const files = Array.from(event.target.files);
+    return files;
+  };
+
+  render() {
+    return (
+      <div>
+        <Dropzone getFilesFromEvent={this.getFiles}>
+          {({ getRootProps }) => <div {...getRootProps()} />}
+        </Dropzone>
+      </div>
+    );
+  }
+}
+
+export class TestNativeEvt extends Component {
+  getFiles = async (event: Event) => {
+    const files = Array.from((event.target as HTMLInputElement).files);
+    return files;
+  };
+
+  render() {
+    return (
+      <div>
+        <Dropzone getFilesFromEvent={this.getFiles}>
+          {({ getRootProps }) => <div {...getRootProps()} />}
+        </Dropzone>
+      </div>
+    );
+  }
+}