Add /issue slash command linking to FerrumC issue instructions

src/commands/General/issueCommand.ts

@@ -0,0 +1,25 @@
+const { EmbedBuilder, Colors, PermissionFlagsBits, SlashCommandBuilder } = require("discord.js")
+
+module.exports = {
+    data: new SlashCommandBuilder()
+        .setName("issue")
+        .setDescription("Get instructions for creating an issue on FerrumC."),
+
+    userPermissions: [],
+    botPermissions: [ PermissionFlagsBits.SendMessages ],
+
+    run: async (client: any, interaction: any) => {
+        let embed = new EmbedBuilder()
+            .setTitle("Need to file an issue?")
+            .setDescription(
+                `Follow the quick guide on our issue page before submitting:\n` +
+                `\`1\` Check existing issues or the project board to avoid duplicates.\n` +
+                `\`2\` Pick the right template and include logs, versions, and repro steps.\n` +
+                `\`3\` Open the form here: [Issue Instructions](https://github.com/ferrumc-rs/ferrumc/issues/new/choose).`
+            )
+            .setColor(Colors.Blue)
+            .setThumbnail('https://www.ferrumc.com/images/logo_transparent.png')
+
+        return await interaction.reply({ embeds: [embed] })
+    }
+}