void exit(return status)
int wait

established the setup_stack to include the argv and argc

- Added all source files from the initial UWE version of Pintos repository.
Commits history was irrelevant in the original project, starting from no
previous commits here.
- Added a .gitignore, so that binary and meaningless files won't get committed.

- Updated and moved the README.md file to be used properly by GitLab.