Localization in English and Swedish

- New localization for English (obviously) and now Swedish. The system is very straight forward, but I'd suggest checking out Godot's documentation for a proper understanding on how it works.

https://docs.godotengine.org/en/3.0/getting_started/workflow/assets/importing_translations.html

lang/local.csv

@@ -0,0 +1,5 @@
+,en,sv
+KMUS,Music,Musik
+KCRE,Credits,Eftertexter
+KABO,About,Handla om
+KSOO,Coming Soon,Kommer snart

lang/local.csv.import

@@ -0,0 +1,16 @@
+[remap]
+
+importer="csv_translation"
+type="Translation"
+
+[deps]
+
+files=[ "res://lang/local.en.translation", "res://lang/local.sv.translation" ]
+
+source_file="res://lang/local.csv"
+dest_files=[ "res://lang/local.en.translation", "res://lang/local.sv.translation" ]
+
+[params]
+
+compress=true
+delimiter=0