Release asciidoctor-go v0.2.0 (2022-03-04)

This release changes the license of asciidoctor-go from BSD to GPL 3.0 or
later.

=== Bug fixes

*  all: fix list check box text get cut one character
+
--
Given the following asciidoc check box markup,

	* [ ] abc

It will rendereded as "❏ bc" instead of "❏ abc".
--

=== Chores

*  all: replace bytes.Title and strings.Title with function
+
Both of those functions has been deprecated.
+
Since the Title function is to convert the adminition string into a
human title (first letter uppercase), we can use a function to do that.
Any unknown admonition will be returned as is.
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