Adding catalan translation

Author: Orestes Mas

README.md

@@ -39,6 +39,7 @@ Please add your language to this list as well while you are making your PR. put
 What we have so far:
 - en - Reference 
 - bg
+- ca
 - cn
 - cs
 - da

src/localize/languages/ca.json

@@ -0,0 +1,12 @@
+{
+  "common": {
+      "version": "versió",
+      "current": "Actual"
+  },
+  "extra_states": {
+    "window_open": "Finestra oberta",
+    "night_mode": "Mode nocturn",
+    "eco": "Eco",
+    "summer": "Estiu"
+  }
+}

src/localize/localize.ts

@@ -21,6 +21,7 @@ import * as sv from './languages/sv.json';
 import * as bg from './languages/bg.json';
 import * as fi from './languages/fi.json';
 import * as ro from './languages/ro.json';
+import * as ca from './languages/ca.json';
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 const languages: any = {
@@ -47,6 +48,7 @@ const languages: any = {
   bg: bg,
   fi: fi,
   ro: ro,
+  ca: ca,
 };
 
 export function localize(string: string, search = '', replace = ''): string {