Add links to new roadmaps

readme.md

@@ -31,11 +31,13 @@ Roadmaps are now interactive, you can click the nodes to read more about the top
 Here is the list of available roadmaps with more being actively worked upon.
 
 - [Frontend Roadmap](https://roadmap.sh/frontend) / [Frontend Beginner Roadmap](https://roadmap.sh/frontend?r=frontend-beginner)
-- [Backend Roadmap](https://roadmap.sh/backend)
+- [Backend Roadmap](https://roadmap.sh/backend) / [Backend Beginner Roadmap](https://roadmap.sh/backend?r=backend-beginner)
 - [DevOps Roadmap](https://roadmap.sh/devops) / [DevOps Beginner Roadmap](https://roadmap.sh/devops?r=devops-beginner)
 - [Full Stack Roadmap](https://roadmap.sh/full-stack)
 - [Computer Science Roadmap](https://roadmap.sh/computer-science)
+- [Data Structures and Algorithms Roadmap](https://roadmap.sh/datastructures-and-algorithms)
 - [AI and Data Scientist Roadmap](https://roadmap.sh/ai-data-scientist)
+- [MLOps Roadmap](https://roadmap.sh/mlops)
 - [QA Roadmap](https://roadmap.sh/qa)
 - [Python Roadmap](https://roadmap.sh/python)
 - [Software Architect Roadmap](https://roadmap.sh/software-architect)