Checks for selection after creating a link
Revert "Checks for selection after creating a link"

This reverts commit 3c65d72c12ca0b18c9f49fd75120a4198abc3867.
Revert "Revert "Checks for selection after creating a link""

This reverts commit c013098ffe645cd3687c29f7dd8ce5d82cbc409b.
Updates css minified files
add strong url validation and stop add empty link
merge with upstream