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

frontend/node_modules/attr-accept/dist/es/index.js

@@ -1,31 +0,0 @@
-"use strict";
-
-exports.__esModule = true;
-
-exports.default = function (file, acceptedFiles) {
-  if (file && acceptedFiles) {
-    var acceptedFilesArray = Array.isArray(acceptedFiles) ? acceptedFiles : acceptedFiles.split(',');
-
-    if (acceptedFilesArray.length === 0) {
-      return true;
-    }
-
-    var fileName = file.name || '';
-    var mimeType = (file.type || '').toLowerCase();
-    var baseMimeType = mimeType.replace(/\/.*$/, '');
-    return acceptedFilesArray.some(function (type) {
-      var validType = type.trim().toLowerCase();
-
-      if (validType.charAt(0) === '.') {
-        return fileName.toLowerCase().endsWith(validType);
-      } else if (validType.endsWith('/*')) {
-        // This is something like a image/* mime type
-        return baseMimeType === validType.replace(/\/.*$/, '');
-      }
-
-      return mimeType === validType;
-    });
-  }
-
-  return true;
-};