Create markdown entry for courses in the cse folder

[piyush-kurur]

In order to better prepare the course syllabus, we have to migrate the following courses to markdown. The status of the various cs courses are given below. We need to fix this.

• [x] CS2100 Discrete math
• [ ] CS2110 Computer Programming Lab
• [x] CS2200 Languages Machines and Computation
• [x] CS3300 Compiler Design
• [ ] CS3310 Compiler Design Lab
• [x] CS3500 Operating Systems
• [x] CS4803 Model Checking
• [x] CS5820 Probability and Computing
• [x] CS3100 Paradigms of Programming Language
• [x] CS3200 Computer Networks
• [ ] CS2015 Computer Organisation
• [x] CS3025 Introduction to Database Systems

[piyush-kurur]

@jasine-iitpkd @deepakrajendraprasad @nmrinl @bhadras1 We need to update our course description.