[v3.7] ADDED: Imatra network packages

Imatra is network provider in Estonia Läänemaa, Põhja-Pärnumaa in former area of Läänemaa and Viimsi vald.
Partner 24, Partner 24 Plus, Partner 12, Partner 12 Plus network packages are now included.

This release is the "Tanel Special," addressing concerns raised about the missing Imatra packages.