[add] Login functionality

api-payroll/public/html/login.php

@@ -0,0 +1,25 @@
+<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
+<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
+<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
+
+
+
+<link href='http://fonts.googleapis.com/css?family=Montserrat:400,700' rel='stylesheet' type='text/css'>
+<div class="container">
+    <div class="logo"></div>
+    <div class="login-block">
+        <form action="" method="post" name="Login_Form" class="login">
+            <h1>Login</h1>
+            <input type="text" value="" placeholder="User" id="userName" name="user" required="" autofocus=""/>
+            <input type="password" value="" placeholder="Password" id="password" name="password" required=""/>
+            <a href="#" class="btn btn-lg btn-warning btn-default" id="loginButon" name="login" value="Login" onclick="processLogin();">Login</a>
+        </form>
+    </div>
+</div>
+
+<div id="modals">
+
+</div>
+
+<script src="../js/login.js"></script>
+<link href="../css/login.css" rel="stylesheet">