Add conversion of custom commands to SQL

server/createDatabaseTables/createCustomCommandsTable.js

@@ -0,0 +1,24 @@
+const sqlite3 = require('sqlite3').verbose();
+
+module.exports = async function () {
+    const db = new sqlite3.Database('data/database.db');
+    return new Promise ((resolve, reject)=>{
+        db.run(
+            `CREATE TABLE IF NOT EXISTS customCommands (
+                        customName TEXT PRIMARY KEY,
+                        customMessage TEXT,
+                        author TEXT,
+                        isDeleted INTEGER)`,
+            (err) => {
+                if (err) {
+                    console.error(`Error while creating table 'customCommands': ${err}`);
+                    reject(err);
+                } else {
+                    console.log("Table 'customCommands' created successfully.");
+                    resolve();
+                }
+                db.close();
+            }
+        );
+    })
+}