docs: Use kafka specific async api title (#91)

Author: timonback

springwolf-examples/springwolf-kafka-example/src/main/java/io/github/stavshamir/springwolf/example/configuration/AsyncApiConfiguration.java

@@ -29,7 +29,7 @@ public AsyncApiConfiguration(@Value("${kafka.bootstrap.servers}") String bootstr
     public AsyncApiDocket asyncApiDocket() {
         Info info = Info.builder()
                 .version("1.0.0")
-                .title("Springwolf example project")
+                .title("Springwolf example project - Kafka")
                 .build();
 
         KafkaProducerData exampleProducerData = KafkaProducerData.kafkaProducerDataBuilder()

springwolf-examples/springwolf-kafka-example/src/test/resources/asyncapi.json

@@ -1,8 +1,8 @@
 {
-  "Springwolf example project": {
+  "Springwolf example project - Kafka": {
     "asyncapi": "2.0.0",
     "info": {
-      "title": "Springwolf example project",
+      "title": "Springwolf example project - Kafka",
       "version": "1.0.0"
     },
     "servers": {