integrated find endpoint with main TMDB class

src/tmdb.ts

@@ -12,6 +12,7 @@ import {
   PeopleEndpoint,
   ReviewEndpoint,
   TrendingEndpoint,
+  FindEndpoint,
 } from './endpoints';
 
 export default class TMDB {
@@ -72,4 +73,8 @@ export default class TMDB {
   get trending(): TrendingEndpoint{
     return new TrendingEndpoint(this.accessToken);
   }
+
+  get find() : FindEndpoint{
+    return new FindEndpoint(this.accessToken);
+  }
 }