Add Korean and Portuguese to language selector.

src/components/Preferences.vue

@@ -265,10 +265,12 @@ export default {
                 { code: "hr", name: "Hrvatski" },
                 { code: "it", name: "italiano" },
                 { code: "ja", name: "日本語" },
+                { code: "ko", name: "한국어" },
                 { code: "lt", name: "lietuvių kalba" },
                 { code: "ml", name: "മലയാളം" },
                 { code: "nb_NO", name: "Norwegian Bokmål" },
                 { code: "pl", name: "polski" },
+                { code: "pt", name: "Português" },
                 { code: "ru", name: "русский" },
                 { code: "sr", name: "Српски" },
                 { code: "tr", name: "Türkçe" },