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

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

@@ -1,54 +0,0 @@
-import React from "react";
-import Dropzone from "../../";
-
-export default class Accept extends React.Component {
-  state = {
-    accepted: [],
-    rejected: [],
-  };
-
-  render() {
-    return (
-      <section>
-        <div className="dropzone">
-          <Dropzone
-            accept={{
-              "image/*": [".jpeg", ".png"],
-            }}
-            onDrop={(accepted, rejected) => {
-              this.setState({ accepted, rejected });
-            }}
-          >
-            {({ getRootProps }) => (
-              <div {...getRootProps()}>
-                <p>
-                  Try dropping some files here, or click to select files to
-                  upload.
-                </p>
-                <p>Only *.jpeg and *.png images will be accepted</p>
-              </div>
-            )}
-          </Dropzone>
-        </div>
-        <aside>
-          <h2>Accepted files</h2>
-          <ul>
-            {this.state.accepted.map((f) => (
-              <li key={f.name}>
-                {f.name} - {f.size} bytes
-              </li>
-            ))}
-          </ul>
-          <h2>Rejected files</h2>
-          <ul>
-            {this.state.rejected.map((f) => (
-              <li key={f.name}>
-                {f.name} - {f.size} bytes
-              </li>
-            ))}
-          </ul>
-        </aside>
-      </section>
-    );
-  }
-}