Update ruby supported version to > 2.2

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Viktor Fonic 2019-05-24 20:53:18 +07:00 committed by GitHub
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@ -118,7 +118,7 @@ Man pages have been added. Checkout `man colorls`.
[(Back to top)](#table-of-contents)
1. Install Ruby (preferably, version > 2.1)
1. Install Ruby (preferably, version > 2.2)
2. Install the patched fonts of powerline nerd-font and/or font-awesome. Have a look at the [Nerd Font README](https://github.com/ryanoasis/nerd-fonts/blob/master/readme.md) for more installation instructions.
*Note for `iTerm2` users - Please enable the Nerd Font at iTerm2 > Preferences > Profiles > Text > Non-ASCII font > Hack Regular Nerd Font Complete.*