chore: updates java config to downgrade logging to WARN; updates run command for simpler output

Signed-off-by: Anthony D. Mays <anthony@morganlatimer.com>

Author: anthonydmays

lesson_26/README.md

@@ -36,7 +36,7 @@ We are continuing to build atop the foundation of our library app. For this assi
 
 #### Running the API
 
-You can run the server using the usual `./gradlew run` command from the `api/java` directory. If you want to test that the server is running correctly, you can use `curl` like so:
+You can run the server using the usual `./gradlew run --console=plain` command from the `api/java` directory. If you want to test that the server is running correctly, you can use `curl` like so:
 
 ```bash
 curl http://localhost:3001/items | json_pp

lesson_26/api/java/api_app/src/main/resources/application.yml

@@ -6,4 +6,8 @@ spring:
     generate-ddl: true
   datasource:
     url: jdbc:sqlite::resource:sqlite/data.db
-    driver-class-name: org.sqlite.JDBC
+    driver-class-name: org.sqlite.JDBC
+logging:
+  level:
+    root: WARN
+    org.springframework: WARN