updated git ignore and created email confirmation page

hotel_booking/.gitignore

@@ -1,3 +1,5 @@
 images/*
 admin/components/db_config.php
 admin/components/api.php
+ajax/login_register.php
+components/sendgrid/*

hotel_booking/email_confirm.php

@@ -0,0 +1,27 @@
+<?php
+    require('admin/components/utils.php');
+    require('admin/components/db_config.php');
+
+    if(isset($_GET['email_confirmation'])){
+        $data = filteration($_GET);
+        $query = select("SELECT * FROM `user_creds` WHERE `email`=? AND `token`=? LIMIT 1", [$data['email'], $data['token']], 'ss');
+
+        if(mysqli_num_rows($query) == 1){
+            $fetch = mysqli_fetch_assoc($query);
+            if($fetch['is_verified'] == 1){
+                echo "<script>alert('Your email is already verified.')</script>";
+            } else{
+                $update = update("UPDATE `user_creds` SET `is_verified`=? WHERE `id`=?", [1, $fetch['id']], 'ii');
+                if($update){
+                    echo "<script>alert('Your email was successfully verified.')</script>";
+                } else{
+                    echo "<script>alert('Fail to verify your email')</script>";
+                }
+            }
+            redirect('index.php');
+        } else{
+            echo "<script>alert('Invalid link!')</script>";
+            redirect('index.php');
+        }
+    }
+?>