Update release-notes.rst

Fix typo

Merge pull request ACCLAB#36 from josesho/v0.2.3

v0.2.3

Merge pull request ACCLAB#34 from ACCLAB/v0.2.2

v0.2.2

Merge branch 'josesho-v0.2.1' into v0.2.1

Merge pull request ACCLAB#24 from josesho/v0.2.0

update README

Merge pull request ACCLAB#20 from josesho/v0.1.7

v0.1.7

increase tufte gapped line central measure width size

remove indents in code blocks from tutorial docs

Merge pull request ACCLAB#17 from ACCLAB/v0.1.4

v0.1.4

Merge pull request ACCLAB#15 from ACCLAB/v0.1.3

v0.1.3