chore: fix broken links

Author: raklaptudirm

README.md

@@ -2,35 +2,43 @@
 
 JavaScript Repository of TheAlgorithms, which implements various algorithms and data structures in JavaScript.
 
-![JavasScript Banner](https://user-images.githubusercontent.com/68542775/167072911-dc31eac8-6885-4a05-9c25-279ecce22a79.png)
+![JavasScript Banner][banner]
 
-[![Contributions Welcome](https://img.shields.io/static/v1.svg?label=Contributions&message=Welcome&color=0059b3&style=flat-square)](CONTRIBUTING.md)
-[![Language grade: JavaScript](https://img.shields.io/lgtm/grade/javascript/g/TheAlgorithms/Javascript.svg?logo=lgtm&logoWidth=18&style=flat-square)](lgtm)
-![Node CI](https://github.com/TheAlgorithms/Javascript/workflows/Node%20CI/badge.svg)
-[![Discord chat](https://img.shields.io/discord/808045925556682782.svg?logo=discord&colorB=7289DA&style=flat-square)](discord-server)
-![Repository Size](https://img.shields.io/github/repo-size/TheAlgorithms/Javascript.svg?label=Repo%20size&style=flat-square)
-[![standard.js](https://img.shields.io/badge/code%20style-standardjs-%23f3df49)](standard-js)
+[![Contributions Welcome][welcome]](CONTRIBUTING.md)
+[![Language grade: JavaScript][grade]][lgtm]
+![Node CI][node-ci]
+[![Discord chat][chat]][discord-server]
+![Repository Size][repo-size]
+[![standard.js][standard-logo]][standard-js]
 
 <hr>
 
 **These are for demonstration purposes only. There are many implementations of sorts in the JavaScript standard library
 that are much better for performance and security reasons. We also do not provide any api stability guarantee.**
 
 Before contributing to this repository, make sure to read our [Contribution Guidelines](CONTRIBUTING.md). You can look
-at other [TheAlgorithms Repositories](repositories) or the [issues with a
-`help wanted` label](help-wanted) for inspiration regarding what to implement. Our maintainers will guide you through
+at other [TheAlgorithms Repositories][repositories] or the [issues with a
+`help wanted` label][help-wanted] for inspiration regarding what to implement. Our maintainers will guide you through
 how to make your contribution properly.
 
 The names of the maintainers of this repository is listed in the [CODEOWNERS](.github/CODEOWNERS) file.
 
 You can find a list of the algorithms currently in the repository in the [directory](DIRECTORY.md).
 
-Explanations of many of the algorithms can be found in out [wiki](explanation).
+Explanations of many of the algorithms can be found in out [wiki][explanation].
 
 <hr>
 
+[banner]: https://user-images.githubusercontent.com/68542775/167072911-dc31eac8-6885-4a05-9c25-279ecce22a79.png
+
+[welcome]: https://img.shields.io/static/v1.svg?label=Contributions&message=Welcome&color=0059b3&style=flat-square
+[grade]: https://img.shields.io/lgtm/grade/javascript/g/TheAlgorithms/Javascript.svg?logo=lgtm&logoWidth=18&style=flat-square
 [lgtm]: https://lgtm.com/projects/g/TheAlgorithms/Javascript/context:javascript
+[node-ci]: https://github.com/TheAlgorithms/Javascript/workflows/Node%20CI/badge.svg
+[chat]: https://img.shields.io/discord/808045925556682782.svg?logo=discord&colorB=7289DA&style=flat-square
 [discord-server]: https://discord.gg/c7MnfGFGa6
+[repo-size]: https://img.shields.io/github/repo-size/TheAlgorithms/Javascript.svg?label=Repo%20size&style=flat-square
+[standard-logo]: https://img.shields.io/badge/code%20style-standardjs-%23f3df49
 [standard-js]: https://standardjs.com/
 
 [repositories]: https://github.com/orgs/TheAlgorithms/repositories