* Create ftxdiff
from page request: macOS Font Tools aka. Apple Font Tool Suite #8478
Note: I'm a new dev, but experienced writer. This is my first docs PR. Feedback appreciated.
* Fix typos in ftxdiff.md
Fix typos including "Ending command descriptions with a period" "Example descriptions should end in a colon with no trailing characters"
* Update pages/osx/ftxdiff.md
* Update pages/osx/ftxdiff.md
add {{ FileName }} around file names
* Update pages/osx/ftxdiff.md
* Update pages/osx/ftxdiff.md
* Update pages/osx/ftxdiff.md
delete extra space
* Update pages/osx/ftxdiff.md
Add space between : and < in url
* Update pages/osx/ftxdiff.md
delete extra space on line 3
* Update pages/osx/ftxdiff.md
* Apply suggestions from code review as submitter failed to address them
