Add support for Catalan and Esperanto.

src/components/PreferencesPage.vue

@@ -214,11 +214,13 @@ export default {
             selectedLanguage: "en",
             languages: [
                 { code: "bn", name: "বাংলা" },
+                { code: "ca", name: "Català" },
                 { code: "cs", name: "Čeština" },
                 { code: "de", name: "Deutsch" },
                 { code: "el", name: "Ελληνικά" },
                 { code: "es", name: "Español" },
                 { code: "en", name: "English" },
+                { code: "eo", name: "Esperanto" },
                 { code: "fa", name: "فارسی" },
                 { code: "fi", name: "Suomi" },
                 { code: "fr", name: "français" },