Add custom myadmin implementation

src/main/java/me/StevenLawson/TotalFreedomMod/commands/Command_myadmin.java

@@ -0,0 +1,51 @@
+package me.StevenLawson.TotalFreedomMod.commands;
+
+import me.StevenLawson.TotalFreedomMod.admin.AdminList;
+import org.apache.commons.lang3.StringUtils;
+import org.bukkit.ChatColor;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+import java.util.UUID;
+
+@CommandPermissions(level = AdminLevel.SUPER, source = SourceType.ONLY_IN_GAME)
+@CommandParameters(description = "Manages your admin login message and other utilities.", usage = "/<command> <clear <variable> | setloginmessage <message>>")
+public class Command_myadmin extends FreedomCommand {
+    @Override
+    public boolean run(CommandSender sender, Player sender_p, Command cmd, String commandLabel, String[] args, boolean senderIsConsole) {
+        if (args.length >= 2) {
+            if ("setloginmessage".equalsIgnoreCase(args[0])) {
+                final String inputMessage = StringUtils.join(args, " ", 1, args.length); // Parse the input provided.
+                final UUID uuid = sender_p.getUniqueId(); // Get the sender's uuid as a variable.
+
+                playerMsg(ChatColor.GRAY + "Set your custom login message."); // Notify player that the login message has been set.
+
+                AdminList.getEntry(uuid).setCustomLoginMessage(inputMessage); // Set the custom login message to the value.
+                AdminList.save(AdminList.getEntry(uuid)); // Save the modified value to the super admin configuration.
+
+                AdminList.updateIndexLists(); // Update and refresh configuration.
+                return true;
+            } else if ("clear".equalsIgnoreCase(args[0])) {
+                if("loginmessage".equals(args[1])) {
+                    final UUID uuid = sender_p.getUniqueId(); // Get the sender's uuid as a variable.
+
+                    playerMsg(ChatColor.GRAY + "Cleared your custom login message."); // Notify player that the login message has been set.
+
+                    AdminList.getEntry(uuid).setCustomLoginMessage(""); // Set the custom login message to the value.
+                    AdminList.save(AdminList.getEntry(uuid)); // Save the modified value to the super admin configuration.
+
+                    AdminList.updateIndexLists(); // Update and refresh configuration.
+                    return true;
+                } else {
+                    return false;
+                }
+
+            } else {
+                return false;
+            }
+        } else {
+            return false;
+        }
+    }
+}