Demo: CI and CD pipeline using azure devops. (#1111)

Co-authored-by: César Soto Valero <cesarsotovalero@gmail.com>

contributions/demo/mrhasa/README.md

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+# Demo: CI and CD pipeline using azure devops.
+
+### Member
+
+Md Rezaul Hasan (mrhasa@kth.se)
+GitHub: [MDRezaulHasan](https://github.com/MDRezaulHasan/)
+
+### Proposal
+
+In this demo I am focusing on how to deploy an asp.net web application in azure devops. 
+### Topics to covered
+
+1. Build an asp.net project and push it on azure devops
+2. Creating azure devops environment.
+3. Build new pipeline for CI/CD.
+4. Explaining about yml file.
+5. Build a release pipeline for deployment.
+