Clear User Channel History Command (#88)

* Add: Clear user channel message history command

* Update: Checks if messages are empty and has clearer replies

* Fix: Issue where duplication happens on channel-toggle true in threads

* Update: version increment

* Fix: Missing test case for commands.test.ts

* Readability fix

---------

Co-authored-by: Jonathan Smoley <67881240+JT2M0L3Y@users.noreply.github.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "discord-ollama",
-  "version": "0.5.5",
+  "version": "0.5.6",
   "description": "Ollama Integration into discord",
   "main": "build/index.js",
   "exports": "./build/index.js",