docs: rewrite documentation for RoleApplicationSystemConfig

Author: christolis

application/src/main/java/org/togetherjava/tjbot/config/RoleApplicationSystemConfig.java

@@ -8,6 +8,12 @@
 /**
  * Represents the configuration for an application form, including roles and application channel
  * pattern.
+ *
+ * @param submissionsChannelPattern the pattern used to identify the submissions channel where applications are sent
+ * @param defaultQuestion the default question that will be asked in the role application form
+ * @param minimumAnswerLength the minimum number of characters required for the applicant's answer
+ * @param maximumAnswerLength the maximum number of characters allowed for the applicant's answer
+ * @param applicationSubmitCooldownMinutes the cooldown time in minutes before the user can submit another application
  */
 public record RoleApplicationSystemConfig(
         @JsonProperty(value = "submissionsChannelPattern",
@@ -20,9 +26,9 @@ public record RoleApplicationSystemConfig(
 
     /**
      * Constructs an instance of {@link RoleApplicationSystemConfig} with the provided parameters.
-     *
-     * @param submissionsChannelPattern the pattern used to identify the application channel
-     * @param defaultQuestion the default question for the form
+     * <p>
+     * This constructor ensures that {@code submissionsChannelPattern} and {@code defaultQuestion}
+     * are not null and that the length of the {@code defaultQuestion} does not exceed the maximum allowed length.
      */
     public RoleApplicationSystemConfig {
         Objects.requireNonNull(submissionsChannelPattern);