feat(oauth): add OAuth token support

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@apiclient.xyz/bunq",
-  "version": "3.0.4",
+  "version": "3.0.5",
   "private": false,
   "description": "A full-featured TypeScript/JavaScript client for the bunq API",
   "type": "module",
@@ -17,6 +17,7 @@
     "test:session": "(tstest test/test.session.ts --verbose)",
     "test:errors": "(tstest test/test.errors.ts --verbose)",
     "test:advanced": "(tstest test/test.advanced.ts --verbose)",
+    "test:oauth": "(tstest test/test.oauth.ts --verbose)",
     "build": "(tsbuild --web)"
   },
   "devDependencies": {