Add missing (official) plugins & little fixes (#3718)

* Add missing (official) plugins & little fixes

As talked about in:
#3708

Fingers crossed that I didn't mess up the alphabetical order :P
(I actually changed the order a little bit)

* Add gatsby-source-graphcms

docs/docs/plugins.md

@@ -76,33 +76,47 @@ root.
 
 ## Official plugins
 
+* [gatsby-plugin-aphrodite](/packages/gatsby-plugin-aphrodite/)
 * [gatsby-plugin-canonical-urls](/packages/gatsby-plugin-canonical-urls/)
 * [gatsby-plugin-catch-links](/packages/gatsby-plugin-catch-links/)
-* [gatsby-plugin-create-client-paths](/packages/gatsby-plugin-create-client-paths/)
 * [gatsby-plugin-coffeescript](/packages/gatsby-plugin-coffeescript/)
+* [gatsby-plugin-create-client-paths](/packages/gatsby-plugin-create-client-paths/)
+* [gatsby-plugin-cxs](/packages/gatsby-plugin-cxs/)
+* [gatsby-plugin-emotion](/packages/gatsby-plugin-emotion/)
 * [gatsby-plugin-feed](/packages/gatsby-plugin-feed/)
 * [gatsby-plugin-glamor](/packages/gatsby-plugin-glamor/)
+* [gatsby-plugin-glamorous](/packages/gatsby-plugin-glamorous/)
 * [gatsby-plugin-google-analytics](/packages/gatsby-plugin-google-analytics/)
 * [gatsby-plugin-google-tagmanager](/packages/gatsby-plugin-google-tagmanager/)
 * [gatsby-plugin-jss](/packages/gatsby-plugin-jss/)
+* [gatsby-plugin-less](/packages/gatsby-plugin-less/)
+* [gatsby-plugin-lodash](/packages/gatsby-plugin-lodash/)
 * [gatsby-plugin-manifest](/packages/gatsby-plugin-manifest/)
-* [gatsby-plugin-netlify](/packages/gatsby-plugin-netlify/)
 * [gatsby-plugin-netlify-cms](/packages/gatsby-plugin-netlify-cms/)
+* [gatsby-plugin-netlify](/packages/gatsby-plugin-netlify/)
+* [gatsby-plugin-no-sourcemaps](/packages/gatsby-plugin-no-sourcemaps/)
 * [gatsby-plugin-nprogress](/packages/gatsby-plugin-nprogress/)
 * [gatsby-plugin-offline](/packages/gatsby-plugin-offline/)
 * [gatsby-plugin-postcss-sass](/packages/gatsby-plugin-postcss-sass)
 * [gatsby-plugin-preact](/packages/gatsby-plugin-preact/)
+* [gatsby-plugin-react-css-modules](/packages/gatsby-plugin-react-css-modules/)
 * [gatsby-plugin-react-helmet](/packages/gatsby-plugin-react-helmet/)
+* [gatsby-plugin-react-next](/packages/gatsby-plugin-react-next/)
 * [gatsby-plugin-remove-trailing-slashes](/packages/gatsby-plugin-remove-trailing-slashes/)
 * [gatsby-plugin-sass](/packages/gatsby-plugin-sass/)
 * [gatsby-plugin-sharp](/packages/gatsby-plugin-sharp/)
 * [gatsby-plugin-sitemap](/packages/gatsby-plugin-sitemap/)
 * [gatsby-plugin-styled-components](/packages/gatsby-plugin-styled-components/)
+* [gatsby-plugin-styled-jsx](/packages/gatsby-plugin-styled-jsx/)
+* [gatsby-plugin-styletron](/packages/gatsby-plugin-styletron/)
+* [gatsby-plugin-stylus](/packages/gatsby-plugin-stylus/)
 * [gatsby-plugin-twitter](/packages/gatsby-plugin-twitter/)
 * [gatsby-plugin-typescript](/packages/gatsby-plugin-typescript/)
+* [gatsby-plugin-typography](/packages/gatsby-plugin-typography/)
 * [gatsby-remark-autolink-headers](/packages/gatsby-remark-autolink-headers/)
 * [gatsby-remark-code-repls](/packages/gatsby-remark-code-repls/)
 * [gatsby-remark-copy-linked-files](/packages/gatsby-remark-copy-linked-files/)
+* [gatsby-remark-custom-blocks](/packages/gatsby-remark-custom-blocks/)
 * [gatsby-remark-embed-snippet](/packages/gatsby-remark-embed-snippet/)
 * [gatsby-remark-images](/packages/gatsby-remark-images/)
 * [gatsby-remark-katex](/packages/gatsby-remark-katex/)
@@ -117,13 +131,22 @@ root.
 * [gatsby-source-lever](/packages/gatsby-source-lever/)
 * [gatsby-source-medium](/packages/gatsby-source-medium/)
 * [gatsby-source-mongodb](/packages/gatsby-source-mongodb/)
+* [gatsby-source-wordpress-com](/packages/gatsby-source-wordpress-com/)
 * [gatsby-source-wordpress](/packages/gatsby-source-wordpress/)
+* [gatsby-transformer-csv](/packages/gatsby-transformer-csv/)
 * [gatsby-transformer-documentationjs](/packages/gatsby-transformer-documentationjs/)
+* [gatsby-transformer-docx](/packages/gatsby-transformer-docx/)
+* [gatsby-transformer-excel](/packages/gatsby-transformer-excel/)
+* [gatsby-transformer-hjson](/packages/gatsby-transformer-hjson/)
 * [gatsby-transformer-javascript-static-exports](/packages/gatsby-transformer-javascript-static-exports/)
 * [gatsby-transformer-json](/packages/gatsby-transformer-json/)
+* [gatsby-transformer-pdf](/packages/gatsby-transformer-pdf/)
+* [gatsby-transformer-pdfimages](/packages/gatsby-transformer-pdfimages/)
+* [gatsby-transformer-react-docgen](/packages/gatsby-transformer-react-docgen/)
 * [gatsby-transformer-remark](/packages/gatsby-transformer-remark/)
 * [gatsby-transformer-sharp](/packages/gatsby-transformer-sharp/)
 * [gatsby-transformer-toml](/packages/gatsby-transformer-toml/)
+* [gatsby-transformer-xml](/packages/gatsby-transformer-xml/)
 * [gatsby-transformer-yaml](/packages/gatsby-transformer-yaml/)
 
 ## Official components
@@ -170,6 +193,7 @@ root.
 * [gatsby-source-directus](https://github.com/iKonrad/gatsby-source-directus)
 * [gatsby-source-github](https://github.com/mosch/gatsby-source-github)
 * [gatsby-source-google-sheets](https://github.com/brandonmp/gatsby-source-google-sheets)
+* [gatsby-source-graphcms](https://github.com/GraphCMS/gatsby-source-graphcms)
 * [gatsby-source-mesh](https://github.com/gentics/gatsby-source-mesh)
 * [gatsby-source-soundcloud](https://github.com/jedidiah/gatsby-source-soundcloud)
 * [gatsby-source-stripe](https://github.com/njosefbeck/gatsby-source-stripe)