create default restclient

src/main/java/no/fint/oauth/TokenService.java

@@ -2,6 +2,7 @@
 
 import jakarta.annotation.PostConstruct;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
@@ -25,7 +26,7 @@ public class TokenService {
     private final MultiValueMap<String, String> formData;
     private AuthToken authToken;
 
-    public TokenService(OAuthTokenProps props, RestClient restClient) {
+    public TokenService(OAuthTokenProps props, @Qualifier("oauthRestClient") RestClient restClient) {
         this.props = props;
         this.restClient = restClient;
         this.formData = createFormData();

src/main/java/no/fint/oauth/config/RestClientConfig.java

@@ -0,0 +1,15 @@
+package no.fint.oauth.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.client.RestClient;
+
+@Configuration
+public class RestClientConfig {
+
+    @Bean("oauthRestClient")
+    public RestClient oauthRestClient() {
+        return RestClient.builder().build();
+    }
+
+}