add a proper course details

Author: hectorsector

course-details.md

@@ -1,9 +1,17 @@
-This is the description we show on the course page [here](https://lab.github.com/githubtraining/set-up-continuous-integration-with-github-actions). This first paragraph will be featured at the top of the page so make it great.
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-Be sure to tell the learner about the technology you are teaching, why they should learn it, how they can use it, and what you will teach them.
+GitHub Actions makes it easier than ever to incorporate continuous integration (CI) into your repositories. 
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+This course will get you from zero-to-CI by setting up two workflow files to automate the way you work.
 
+After taking this course, you'll be able to:
+- Describe CI and why it is necessary
+- Use and customize a templated workflow
+- Create CI workflows that match the team's needs and behaviors
+- Use the repository's source code and build artifacts (like compiled source code) across jobs in a workflow
+- Implement a unit testing framework using GitHub Actions
+- Create a workflow that runs tests and produces test reports
+- Set up a matrix build to create build artifacts for multiple target platforms
+- Save a repository's build artifacts
+- Access saved build artifacts
+- Choose virtual environments for the application's CI needs
 
-Include information on how they can reach you for questions about the content or course. 
+This course has a dedicated message board on the [GitHub Community]({{ communityBoard }}) website. If you want to discuss this course with GitHub Trainers or other participants create a post over there. The message board can also be used to troubleshoot any issue you encounter while taking this course.