Co-authored-by: Ward Peeters <ward@coding-tech.com>

Co-authored-by: Ward Peeters <ward@coding-tech.com>

* Docs: Add TOC to README

* Re-formatting the code

Fixed the Spelling mistakes

* fix: fix an infinite loop in node child collection

* Flip the traversal for speed gains

* After using the cache a lot, it's possible for getNode to return undefined

…17254)

* Add vermarcsport.com to showcase

* fix linting

Add `itemProp` to list of gatsby-image props

* Update typefaces docs

* Update docs/docs/recipes.md

Co-Authored-By: Marcy Sutton <marcy@gatsbyjs.com>

* fix linting

* Fix minor typo

Fixed some grammatical mistake

* Fix minor typo

* fix: lint

remove an extra space

* Fix typo

Removed repeated word

* Docs: Fix typos in why-gatsby-uses-graphql.md

Removed the Spelling mistakes in why-gatsby-uses-graphql.md

 - babel-plugin-remove-graphql-queries@2.7.6
 - babel-preset-gatsby@0.2.12
 - gatsby-cli@2.7.42
 - gatsby-codemods@1.1.5
 - gatsby-core-utils@1.0.7
 - gatsby-cypress@0.2.7
 - gatsby-design-tokens@1.0.3
 - gatsby-dev-cli@2.5.19
 - gatsby-graphiql-explorer@0.2.9
 - gatsby-image@2.2.16
 - gatsby-link@2.2.11
 - gatsby-page-utils@0.0.15
 - gatsby-plugin-canonical-urls@2.1.6
 - gatsby-plugin-catch-links@2.1.7
 - gatsby-plugin-coffeescript@2.1.6
 - gatsby-plugin-create-client-paths@2.1.6
 - gatsby-plugin-cxs@2.1.4
 - gatsby-plugin-emotion@4.1.5
 - gatsby-plugin-facebook-analytics@2.2.6
 - gatsby-plugin-feed@2.3.10
 - gatsby-plugin-flow@1.1.5
 - gatsby-plugin-fullstory@2.1.5
 - gatsby-plugin-glamor@2.1.6
 - gatsby-plugin-google-analytics@2.1.13
 - gatsby-plugin-google-gtag@1.1.7
 - gatsby-plugin-google-tagmanager@2.1.8
 - gatsby-plugin-guess-js@1.1.9
 - gatsby-plugin-jss@2.1.5
 - gatsby-plugin-layout@1.1.6
 - gatsby-plugin-less@3.0.5
 - gatsby-plugin-lodash@3.1.6
 - gatsby-plugin-manifest@2.2.13
 - gatsby-plugin-mdx@1.0.34
 - gatsby-plugin-netlify-cms@4.1.13
 - gatsby-plugin-netlify@2.1.11
 - gatsby-plugin-nprogress@2.1.5
 - gatsby-plugin-offline@3.0.1
 - gatsby-plugin-page-creator@2.1.15
 - gatsby-plugin-postcss@2.1.6
 - gatsby-plugin-preact@3.1.9
 - gatsby-plugin-preload-fonts@1.0.2
 - gatsby-plugin-react-css-modules@2.1.6
 - gatsby-plugin-react-helmet@3.1.6
 - gatsby-plugin-remove-trailing-slashes@2.1.5
 - gatsby-plugin-sass@2.1.13
 - gatsby-plugin-sharp@2.2.19
 - gatsby-plugin-sitemap@2.2.10
 - gatsby-plugin-styled-components@3.1.4
 - gatsby-plugin-styled-jsx@3.1.5
 - gatsby-plugin-styletron@4.1.6
 - gatsby-plugin-stylus@2.1.7
 - gatsby-plugin-subfont@1.1.6
 - gatsby-plugin-twitter@2.1.5
 - gatsby-plugin-typescript@2.1.6
 - gatsby-plugin-typography@2.3.6
 - gatsby-react-router-scroll@2.1.7
 - gatsby-remark-autolink-headers@2.1.9
 - gatsby-remark-code-repls@3.0.7
 - gatsby-remark-copy-linked-files@2.1.14
 - gatsby-remark-custom-blocks@2.1.8
 - gatsby-remark-embed-snippet@4.1.6
 - gatsby-remark-graphviz@1.1.8
 - gatsby-remark-images-contentful@2.1.11
 - gatsby-remark-images@3.1.20
 - gatsby-remark-katex@3.1.7
 - gatsby-remark-prismjs@3.3.12
 - gatsby-remark-responsive-iframe@2.2.11
 - gatsby-remark-smartypants@2.1.6
 - gatsby-source-contentful@2.1.30
 - gatsby-source-drupal@3.2.24
 - gatsby-source-faker@2.1.5
 - gatsby-source-filesystem@2.1.19
 - gatsby-source-graphql@2.1.12
 - gatsby-source-hacker-news@2.1.7
 - gatsby-source-lever@2.1.8
 - gatsby-source-medium@2.1.5
 - gatsby-source-mongodb@2.1.11
 - gatsby-source-npm-package-search@2.1.8
 - gatsby-source-shopify@3.0.10
 - gatsby-source-wikipedia@2.1.5
 - gatsby-source-wordpress@3.1.28
 - gatsby-telemetry@1.1.21
 - gatsby-transformer-asciidoc@1.1.8
 - gatsby-transformer-csv@2.1.6
 - gatsby-transformer-documentationjs@4.1.8
 - gatsby-transformer-excel@2.2.7
 - gatsby-transformer-hjson@2.2.8
 - gatsby-transformer-javascript-frontmatter@2.1.6
 - gatsby-transformer-javascript-static-exports@2.2.6
 - gatsby-transformer-json@2.2.7
 - gatsby-transformer-pdf@1.1.8
 - gatsby-transformer-react-docgen@5.0.9
 - gatsby-transformer-remark@2.6.20
 - gatsby-transformer-screenshot@2.1.12
 - gatsby-transformer-sharp@2.2.13
 - gatsby-transformer-sqip@2.1.22
 - gatsby-transformer-toml@2.2.7
 - gatsby-transformer-xml@2.1.8
 - gatsby-transformer-yaml@2.2.8
 - gatsby@2.15.2
 - graphql-skip-limit@2.1.8