Updated book.asciidoc
Merge branch 'develop'
Added file
Chapter 2 syntax, grammar, and flow suggestions.
Chapter 3 syntax, grammar, and flow suggestions.
update book.asciidoc to contain all chapters
compiled it into ebook formats if someone wants to read on a device
Fixed a few typos in ch0(1-3).asciidoc
Update ch03.asciidoc - spelling

othe -> other
formaat -> formats
Merging develop
Merging develop
Chapter 4 syntax, grammar, and flow suggestions.
Merge branch 'corrections-ch3' into develop
Merge branch 'corrections-ch4' into develop
Chapter 1 syntax, grammar, and flow suggestions.
Update ch01.asciidoc

Typo fixes.
typo fixes
Update ch03.asciidoc

typo fixes
Update ch02.asciidoc

Fixed a typo and changed the definition for when "first confirmation" occurs (according to information from: https://en.bitcoin.it/wiki/Confirmation).
Fixing spelling mistakes in the preface