update readme

Author: niqdev

README.md

@@ -15,6 +15,7 @@ A collection of notes, resources, documentation and POCs mainly related to distr
   * [Spark](https://niqdev.github.io/devops/hadoop/#spark)
   * [Zeppelin](https://niqdev.github.io/devops/hadoop/#zeppelin)
   * [Oozie](https://niqdev.github.io/devops/hadoop/#oozie)
+* [Cloud](https://niqdev.github.io/devops/cloud)
 * [Kubernetes](https://niqdev.github.io/devops/kubernetes)
 * [System Design](https://niqdev.github.io/devops/system-design)
 * [Operating System](https://niqdev.github.io/devops/operating-system)

docs/other-resources.md

@@ -32,7 +32,6 @@
 * [OpenStax](https://openstax.org/subjects)
 * [Mark Watson: author of 20+ books](https://markwatson.com/#books)
 * [LibriVox](https://librivox.org) (audiobook)
-* [American Institute of Mathematics](https://aimath.org/textbooks)
 * [Textbooks](https://textbooks.cs.ksu.edu/)
 * [Global Grey](https://www.globalgreyebooks.com/index.html)
 * [Pirate Library Mirror](http://pilimi.org)