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

frontend/node_modules/fast-json-stable-stringify/.eslintrc.yml

@@ -1,26 +0,0 @@
-extends: eslint:recommended
-env:
-  node: true
-  browser: true
-rules:
-  block-scoped-var: 2
-  callback-return: 2
-  dot-notation: 2
-  indent: 2
-  linebreak-style: [2, unix]
-  new-cap: 2
-  no-console: [2, allow: [warn, error]]
-  no-else-return: 2
-  no-eq-null: 2
-  no-fallthrough: 2
-  no-invalid-this: 2
-  no-return-assign: 2
-  no-shadow: 1
-  no-trailing-spaces: 2
-  no-use-before-define: [2, nofunc]
-  quotes: [2, single, avoid-escape]
-  semi: [2, always]
-  strict: [2, global]
-  valid-jsdoc: [2, requireReturn: false]
-  no-control-regex: 0
-  no-useless-escape: 2