feat: add support for JSON+HTTP/REST

Signed-off-by: Emmanuel Hugonnet <[email protected]>

Author: ehsavoie

client/base/pom.xml

@@ -66,6 +66,11 @@
             <artifactId>protobuf-java-util</artifactId>
             <type>jar</type>
         </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-jdk14</artifactId>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
 </project>

client/base/src/test/java/io/a2a/client/A2ACardResolverTest.java

@@ -128,6 +128,11 @@ public PostBuilder createPost() {
             return null;
         }
 
+        @Override
+        public DeleteBuilder createDelete() {
+            return null;
+        }
+
         class TestGetBuilder implements A2AHttpClient.GetBuilder {
 
             @Override