Add Finnish localization to localize.ts and credits to README

Author: Eino Pitkälä

README.md

@@ -98,6 +98,7 @@ This card supports translations. Please, help to add more translations and impro
 - Danish (by [dykandDK](https://github.com/dykandDK))
 - Catalan (by [gerardag](https://github.com/gerardag))
 - Dutch (by [posixx](https://github.com/posixx))
+- Finnish (by [EinoPitkala](https://github.com/EinoPitkala))
 - [_Your language?_][add-translation]
 
 ## Supported models

src/localize/localize.ts

@@ -7,6 +7,7 @@ import * as da from './languages/da.json';
 import * as ca from './languages/ca.json';
 import * as fr from './languages/fr.json';
 import * as nl from './languages/nl.json';
+import * as fi from './languages/fi.json';
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 const languages: any = {
@@ -19,6 +20,7 @@ const languages: any = {
   ca: ca,
   fr: fr,
   nl: nl,
+  fi: fi
 };
 
 export function localize(string, brand=null, search = '', replace = '', debug=false){