remove release.yml

use CompressionNormal on Writer.Create

add .github

Merge pull request #19 from qmuntal/iri-support

Improve Unicode support

fix newRel

encode last part relationships

Merge pull request #16 from qmuntal/newwriter-reader

Add NewWriterFromReader

Merge pull request #14 from qmuntal/issue-12

Support relative relationships starting without ./

Merge pull request #11 from qmuntal/core-props

Add xsi:type attribute to core props dates

Merge pull request #7 from qmuntal/encode-indent

Encode using 4 spaces