updates types and add watch providers

src/types/people.ts

@@ -1,4 +1,4 @@
-import { Image, Movie, Person, TV } from '.';
+import { CountryCode, Image, Movie, Person, TV } from '.';
 
 interface Cast {
   character: string;
@@ -140,7 +140,7 @@ export interface TaggedImages {
 export interface PersonTranslations {
   id: number;
   translations: {
-    iso_3166_1: string;
+    iso_3166_1: CountryCode;
     iso_639_1: string;
     name: string;
     english_name: string;