$ sudo apt-get update
$ sudo apt-get install libkonq5-templates 

libkonq5-templates is installed in your system.

Make ensure the libkonq5-templates package were installed using the commands given below,

$ sudo dpkg-query -l | grep libkonq5-templates *

You will get with libkonq5-templates package name, version, architecture and description in a table

libkonq5-templates package basic information: