Add mangadex lang code csv to src/assets

src/assets/lang_codes.csv

@@ -0,0 +1,41 @@
+Arabic,sa
+Bengali,bd
+Bulgarian,bg
+Burmese,mm
+Catalan,ct
+Chinese (Simp),cn
+Chinese (Trad),hk
+Czech,cz
+Danish,dk
+Dutch,nl
+English,gb
+Filipino,ph
+Finnish,fi
+French,fr
+German,de
+Greek,gr
+Hebrew,il
+Hindi,in
+Hungarian,hu
+Indonesian,id
+Italian,it
+Japanese,jp
+Korean,kr
+Lithuanian,lt
+Malay,my
+Mongolian,mn
+Other,
+Persian,ir
+Polish,pl
+Portuguese (Br),br
+Portuguese (Pt),pt
+Romanian,ro
+Russian,ru
+Serbo-Croatian,rs
+Spanish (Es),es
+Spanish (LATAM),mx
+Swedish,se
+Thai,th
+Turkish,tr
+Ukrainian,ua
+Vietnames,vn

src/mangadex/api.cr

@@ -164,7 +164,7 @@ module Mangadex
 	class API
 		def initialize(@base_url = "https://mangadex.org/api/")
 			@lang = {} of String => String
-			CSV.each_row {{read_file "src/lang.csv"}} do |row|
+			CSV.each_row {{read_file "src/assets/lang_codes.csv"}} do |row|
 				@lang[row[1]] = row[0]
 			end
 		end