CI is a practice in the software development process where each member of the team is makes continuous small changes in the code and integrates them back into the original codebase. After each change, the developer pushes it to GitHub and the tests run automatically in that change. This helps to check whether there are any bugs or issues in the changed code.
Consider a scenario where multiple developers are working on the same application. Each developer is working on a different feature on separate branches. They all build the features and write the test code for the features they build. Everything is going well. Then when the features are completed, they try to integrate all the features, and all of a sudden everything breaks. The tests also fail and many bugs start to creep out.
If the application is small, it wouldn't be a very big deal because...