feat: implemented all endpoints described in docs as of v1.27.8

see http://xivapi.com/docs/Welcome

Author: Supamiu

index.ts

@@ -1 +1,3 @@
-export * from './public_api';
+// Public classes.
+export { XivapiClientModule, XIVAPI_KEY } from './src/xivapi-client.module';
+export { XivapiService } from './src/xivapi.service';