Pull/Switch Model Commands Fix (#137)

* Update: Channel checker and channel name gone

* Add: note of where problem can be

* Update: Check if model already exists for Pull Command

* Add: User/Admin Command Constants

* Update: version increment

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "discord-ollama",
-  "version": "0.7.1",
+  "version": "0.7.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "discord-ollama",
-      "version": "0.7.1",
+      "version": "0.7.2",
       "license": "ISC",
       "dependencies": {
         "discord.js": "^14.16.3",