A repository to record my studies about GitHub actions

1. We have a series of new names and concepts to know:
   1. Event-driven: it's mean that you can run many tasks as you wish after a determinate event;
   2. Workflow: basically a to-do list you have to guide every action you want run;
   3. Jobs: at line above I said a workflow has many actions, but the Github call it as Jobs to be done, by default, multiple jobs inside a workflow run in parallel;
   4. Steps: every job has many steps (shell commands) as we want to program. In order this steps controlling how the actions should run;
   5. Actions: are the smallest commands we can break this flow that, standalone or combined, builds an step;
   6. Of course it is the shortest resume I could do. An explication infinity better could be found here, at Understanding Github Action article.