Added datepicker, updated the frontend package and did cleanup of the… (#12)

* Added datepicker for message selection

* Updated the frontend package 

* Auth cleanup

* Fixed formatting and linting.

* Changed message holding limit.

Author: nicholasnet

backend/main/java/com/ideasbucket/tansen/configuration/ApplicationProperties.java

@@ -16,6 +16,7 @@
 import java.util.function.Function;
 import java.util.stream.Collectors;
 import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.boot.context.properties.NestedConfigurationProperty;
 import org.springframework.validation.annotation.Validated;
 
 @ConfigurationProperties("tansen")
@@ -26,8 +27,10 @@ public class ApplicationProperties {
 
     @NotNull
     @NotEmpty
+    @NestedConfigurationProperty
     private final Set<@Valid Cluster> kafkaClusters;
 
+    @NestedConfigurationProperty
     private final Map<String, Cluster> keyedCluster;
 
     public ApplicationProperties(String allowedSource, Set<Cluster> kafkaClusters) throws ExceptionInInitializerError {

backend/main/java/com/ideasbucket/tansen/configuration/AuthenticationProperties.java

@@ -4,10 +4,11 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
-package com.ideasbucket.tansen.configuration;
+package com.ideasbucket.tansen.configuration.auth;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
+import com.ideasbucket.tansen.entity.Role;
 import jakarta.validation.Valid;
 import java.util.List;
 import org.springframework.boot.context.properties.ConfigurationProperties;