update and rename link to openhab2-addons (#431)
update and rename link to openhab2-addons (#431)

* update and rename link to openhab2-addons
* update and rename link to openhab1-addons

Signed-off-by: 40808de1a815f3ec70fa0eaae122c47fb9cfa16b@wempe.net (github: CWempe)

AndreasDegenhart/openhab-distro,AndreasDegenhart/openhab-distro,AndreasDegenhart/openhab-distro