added the ability to hide help message from help list

src/Bot.ts

@@ -73,6 +73,7 @@ export class Bot extends EventEmitter {
                 color: "#ff5500",
                 usage: "[command name (optional)]",
                 bottomText: "List of all available commands",
+                visible: true,
             },
             system: new SystemMessageManager(this.name),
         };

src/Help.ts

@@ -10,6 +10,7 @@ export class HelpMessage extends Command {
             usage: params.usage,
             permissions: undefined,
             description: params.description,
+            visible: params.visible,
             parameters: [
                 {
                     name: "command_name",

src/types.ts

@@ -45,6 +45,7 @@ export interface HelpMessageParams {
     color: ColorResolvable;
     description: string;
     usage: string;
+    visible: boolean;
 }
 export type ParameterType = "string" | "boolean" | "number" | "user" | "role" | "channel" | "mentionable";
 export type ParameterResolvable = string | boolean | number | ObjectID | undefined;