script: Fix gray color var name

script: Replace ANSI gray seq. with gray color

Bump version to 0.14.0

readme: Massive typo fix

readme: Update details to match the progress

Merge branch 'fix-icon-fonts'

State new icon-type fonts fix changes

fc: Extend the icon-fonts lang test cases

fc: Add back the basic lang tests to icon-fonts

fc: icon-fonts add extra <Space> symbol check

fc: Remove manual, reduce icon detection range

fc: Experimental automatic icon fonts fix

fc: Add Nerd Fonts Symbols to fix-icon-fonts

fontconfig: fix-icons add charset example

fontconfig: Valid syntax for icon fonts rule