added mod mail thread notification, if a user initiates a mod mail thread

added the concept of a mod mail role, these are roles being pinged when a thread is opened, and they also are able to execute mod mail related commands
fixed past thread count in mod mail header
added convenience method to allow a role to execute a whole feature

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/command/service/CommandService.java

@@ -9,6 +9,7 @@ public interface CommandService {
     ACommand createCommand(String name, String moduleName, FeatureEnum featureEnum);
     Boolean doesCommandExist(String name);
     void allowCommandForRole(ACommand aCommand, ARole role);
+    void allowFeatureForRole(FeatureEnum featureEnum, ARole role);
     void makeRoleImmuneForCommand(ACommand aCommand, ARole role);
     void makeRoleAffectedByCommand(ACommand aCommand, ARole role);
     void restrictCommand(ACommand aCommand, AServer server);

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/models/database/ARole.java

@@ -46,4 +46,8 @@ public class ARole implements SnowFlake, Serializable {
     public int hashCode() {
         return Objects.hash(id, server, deleted);
     }
+
+    public String getAsMention() {
+        return "<@&" + getId() + '>';
+    }
 }