docs: update badge style

Author: atinux

README.md

@@ -2,7 +2,6 @@
 
 [![npm version][npm-version-src]][npm-version-href]
 [![npm downloads][npm-downloads-src]][npm-downloads-href]
-[![Github Actions CI][github-actions-ci-src]][github-actions-ci-href]
 [![License][license-src]][license-href]
 
 # Nuxt Content
@@ -42,14 +41,12 @@ Nuxt 2 is supported with Content v1, documentation is on https://content.nuxtjs.
 [MIT](./LICENSE) - Made with 💚
 
 
-[npm-version-src]: https://img.shields.io/npm/v/@nuxt/content/latest.svg
+[npm-version-src]: https://img.shields.io/npm/v/@nuxt/content/latest.svg?style=flat&colorA=002438&colorB=28CF8D
 [npm-version-href]: https://npmjs.com/package/@nuxt/content
 
-[npm-downloads-src]: https://img.shields.io/npm/dt/@nuxt/content.svg
+[npm-downloads-src]: https://img.shields.io/npm/dt/@nuxt/content.svg?style=flat&colorA=002438&colorB=28CF8D
 [npm-downloads-href]: https://npmjs.com/package/@nuxt/content
 
-[github-actions-ci-src]: https://github.com/nuxt/content/workflows/ci/badge.svg
-[github-actions-ci-href]: https://github.com/nuxt/content/actions?query=workflow%3Aci
+[license-src]: https://img.shields.io/github/license/nuxt/content.svg?style=flat&colorA=002438&colorB=28CF8D
+[license-href]: https://github.com/nuxt/content/blob/main/LICENSE
 
-[license-src]: https://img.shields.io/npm/l/@nuxt/content.svg
-[license-href]: https://npmjs.com/package/@nuxt/content