Initial commit
Create SUMMARY.md
Create chapter-1/README.md
Add help message in SUMMARY.md
Create chapter-1/ARTICLE1.md
Add explanation in README.md
Add _book to gitignore
Cleanup example
Merge https://git.gitbook.com/windvans/criminal-produel

Conflicts:
	.gitignore
	README.md
	SUMMARY.md
1st
all changes
some update