slash commands integrated

* sample env and late version incr

* added slash command compatibility

* updated command name

* updated environment sample

* updated interaction comment

src/commands/index.ts

@@ -0,0 +1,6 @@
+import { SlashCommand } from '../utils/commands.js'
+import { ThreadCreate } from './threadCreate.js'
+
+export default [
+    ThreadCreate
+] as SlashCommand[]