feat: add getAllUsers function and integrate user fetching in dashboard

backend/database.js

@@ -1,5 +1,6 @@
 import mysql from "mysql2";
 import dotenv from "dotenv";
+import { error } from "console";
 dotenv.config();
 
 // Create a MySQL connection pool using environment variables for configuration
@@ -130,3 +131,12 @@ export async function deleteUser(
     }
   } catch (err) {}
 }
+
+export async function getAllUsers() {
+  try {
+    const [data] = await pool.query("SELECT * FROM users;");
+    return { result: data, success: true };
+  } catch (err) {
+    return { result: err, success: false };
+  }
+}