Remove config.json

Remove config.json (not secure) and replace with .env.

Update deploy-commands.js:
- const { token, clientId } = require('./config.json');
+ const { token, clientId } = process.env;

Update index.js:
- const { token, clientId } = require('./config.json');
+ const token = process.env.TOKEN;

package-lock.json

@@ -10,6 +10,7 @@
       "license": "ISC",
       "dependencies": {
         "discord.js": "^14.22.1",
+        "dotenv": "^17.2.3",
         "mysql2": "^3.15.1"
       },
       "devDependencies": {
@@ -641,6 +642,18 @@
         "url": "https://github.com/discordjs/discord.js?sponsor"
       }
     },
+    "node_modules/dotenv": {
+      "version": "17.2.3",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.2.3.tgz",
+      "integrity": "sha512-JVUnt+DUIzu87TABbhPmNfVdBDt18BLOWjMUFJMSi/Qqg7NTYtabbvSNJGOJ7afbRuv9D/lngizHtP7QyLQ+9w==",
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://dotenvx.com"
+      }
+    },
     "node_modules/escape-string-regexp": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz",