Update join message and set slash commands on guild join

bot/awesomescibo.js

@@ -16,8 +16,7 @@ const gitlog = require("gitlog").default;
 const helpMessage =
   "`do be helping`: display this help message\n`do be roundgen`: send a pdf round to the channel\n`do be scoring`: start a scoring session\n > `do be scoring (a/b)(4/10)`: add points to Team A or Team B\n > `do be scoring stop`: end scoring session and post final points\n > `do be servers`: send the number of servers this bot is a part of\n > `do be iss`: show the current location of the International Space Station\n`do be training`: send a quick practice problem (you **must** react to your answer, or the bot will yell at you)\n > subject options: astro, phys, chem, math, bio, ess, energy\n`do be top`: list cross-server top 10 players\n `do be about`: List people who contributed to this bot\n Source Code: https://github.com/ADawesomeguy/AwesomeSciBo (don't forget to star!)";
 
-client.once("ready", () => {
-  client.application.commands.set([
+const slashCommands = [
   {
     "name": "train",
     "description": "Sends a single training question to be answered",
@@ -91,7 +90,10 @@ client.once("ready", () => {
     "name": "iss",
     "description": "Shows the location of the ISS on a map as well as all of the current astronauts within it"
   }
-  ]);
+]
+
+client.once("ready", () => {
+  client.application.commands.set(slashCommands);
 
   // Connect to MongoDB using mongoose
   if (!process.env.CI) {
@@ -113,6 +115,7 @@ client.once("ready", () => {
 });
 
 client.on("guildCreate", (guild) => {
+  guild.commands.set(slashCommands);
   const welcomeChannel = guild.channels.cache
     .find(
       (channel) =>
@@ -120,7 +123,7 @@ client.on("guildCreate", (guild) => {
         channel.name === "general" && channel.type === "text"
     )
     if (welcomeChannel) {
-      welcomeChannel.send("'Sup, I'm the AwesomeSciBo bot!")
+      welcomeChannel.send("'Sup, I'm the AwesomeSciBo bot! Use `/help` to learn more about me!");
       .catch(console.error);
     }
 });