Update composer.json

wip

set bladesmith dependency to 1.0

Added target _blank support (#15)

Merge pull request #14 from Chrissle28/feat/marker-mouseover

marker infowindow can now be shown with mouseover

fix map clustering update

fix map clustering update

Merge pull request #13 from Chrissle28/fix/cluster-filter

filter will now update the clusters

Merge pull request #12 from Chrissle28/fix/map-filter

Fix/map filter

fix broken arrow