Change the font family name for mono fonts

[lilyball]

Description

Add " Mono" to the font family name when generating single-wide fonts.

Requirements / Checklist

• Read the Contributing Guidelines
• Read or at least glanced at the FAQ
• Read or at least glanced at the Wiki
• Scripts execute without error (if necessary):
  • If any of the scripts were modified they have been tested and execute without error, e.g.:
    • ./font-patcher Inconsolata.otf --fontawesome --octicons --pomicons
    • ./gotta-patch-em-all-font-patcher\!.sh Hermit
• Extended the README and documentation if necessary, e.g. You added a new font please update the table

How should this be manually tested?

Run ./font-patcher with the -s flag and check the generated fonts.

What are the relevant tickets (if any)?

Fixes #176.

[lilyball]

Assuming there are pre-patched mono fonts, they'll need to be regenerated.

[ryanoasis]

@kballard Thanks I'll take a look at and test it this weekend.

Assuming there are pre-patched mono fonts, they'll need to be regenerated.

Yep, so I will probably tie this to release 1.1 (because rebuilding all the fonts takes a good chunk of time), but at the very least perhaps we can get the logic fix merged into the code