Merge pull request gridstack#2252 from adumesny/master

rev 7.3.0

Merge pull request gridstack#2201 from adumesny/master

v7.2.3 release

Merge pull request gridstack#2174 from adumesny/master

regression fix: nested grids style issue. v7.2.2

Merge pull request gridstack#2166 from adumesny/master

rev 7.2.1

Merge pull request gridstack#2154 from adumesny/master

v7.2.0

Merge pull request gridstack#2132 from adumesny/master

rev 7.1.2

Merge pull request gridstack#2102 from adumesny/master

lint fix

Merge pull request gridstack#2089 from adumesny/master

rev 7.1.0

Merge pull request gridstack#2080 from adumesny/master

rev7.0.1

Merge pull request gridstack#2068 from adumesny/master

doc update