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

frontend/node_modules/yaml/browser/dist/schema/yaml-1.1/bool.js

@@ -1,26 +0,0 @@
-import { Scalar } from '../../nodes/Scalar.js';
-
-function boolStringify({ value, source }, ctx) {
-    const boolObj = value ? trueTag : falseTag;
-    if (source && boolObj.test.test(source))
-        return source;
-    return value ? ctx.options.trueStr : ctx.options.falseStr;
-}
-const trueTag = {
-    identify: value => value === true,
-    default: true,
-    tag: 'tag:yaml.org,2002:bool',
-    test: /^(?:Y|y|[Yy]es|YES|[Tt]rue|TRUE|[Oo]n|ON)$/,
-    resolve: () => new Scalar(true),
-    stringify: boolStringify
-};
-const falseTag = {
-    identify: value => value === false,
-    default: true,
-    tag: 'tag:yaml.org,2002:bool',
-    test: /^(?:N|n|[Nn]o|NO|[Ff]alse|FALSE|[Oo]ff|OFF)$/,
-    resolve: () => new Scalar(false),
-    stringify: boolStringify
-};
-
-export { falseTag, trueTag };