HEXMAP Demo 1.55 Fix 1

HEXMAP Demo - Changelog of the HEX1_DEMO version: - Added HEX1 territories in the tundra climate zone, including more than 100 kilometers of roads. - The city of Seversk, V.P. Vytyakha, V.P. Marshor. - Infrastructure of the Gorelo-Snezhinskoye oil and gas field. Credits 10av...