added routes
added the  page to link a products
(cherry picked from commit 0914b3a)
added the  page to link a products
(cherry picked from commit 299703a)
Merge remote-tracking branch 'origin/Actualizator' into Actualizator
Merge remote-tracking branch 'origin/Actualizator' into Actualizator
start to refactoring
small improvement
search for unlinked products is added
search by keydown for unlinked products is added