Add "Finnic" trait to Karelian culture (#510)

* Add "Finnic" trait to Karelian culture

* ...

EU4ToVic3/Data_Files/configurables/culture_trait_map.txt

@@ -36,6 +36,7 @@ link = { eu4 = flemish trait = beneluxian_culture_group trait = european_heritag
 link = { eu4 = frisian trait = beneluxian_culture_group trait = european_heritage ethnicity = caucasian graphics = european }
 link = { eu4group = dutch_group trait = beneluxian_culture_group trait = european_heritage ethnicity = caucasian graphics = european }
 link = { eu4group = germanic trait = german_speaking trait = european_heritage ethnicity = caucasian graphics = european }
+link = { eu4 = karelian trait = finnic trait = scandinavian_culture_group trait = european_heritage ethnicity = caucasian graphics = european }
 link = { eu4group = scandinavian trait = scandinavian_culture_group trait = european_heritage ethnicity = caucasian graphics = european }
 link = { eu4 = cornish trait = british_culture_group trait = celtic_people trait = european_heritage ethnicity = caucasian graphics = european }
 link = { eu4 = welsh trait = british_culture_group trait = celtic_people trait = european_heritage ethnicity = caucasian graphics = european }