command to change personal prefixes

bot/commands/Configuration/userprefix.js

@@ -0,0 +1,25 @@
+const Command = require("../../base/Command.js");
+
+class Userprefix extends Command {
+  constructor (client) {
+    super(client, {
+      description: "Change the prefix you use for Woomy. This will affect servers and commands in DM's.",
+			usage: "`userprefix` <new prefix>",
+      examples: "`userprefix !!` - Sets your personal prefix to !!"
+    });
+  }
+
+	async run (message, args) { // eslint-disable-line no-unused-vars
+		if (!args[0]) {
+			return message.channel.send(
+				`Your prefix for Woomy is currently: \`${await this.client.db.getUserKey(message.author.id, 'prefix')}\``
+				);
+		};
+
+		await this.client.db.setUserKey(message.author.id, 'prefix', args[0]);
+
+		message.channel.send(`Your personal prefix has been set to: \`${args[0]}\``);
+  };
+};
+
+module.exports = Userprefix;