add template files and compose file, fix syntax errors in template

logincontroller.php

@@ -0,0 +1,33 @@
+<?php
+session_start();
+
+var_dump($_SESSION);
+
+if (isset($_POST["loginbutton"])) {
+    $username = $_POST["username"];
+    $password = $_POST["password"];
+    echo $username;
+    echo $password;
+
+    if ($username == "a" && $password == "b") {
+       // better would be to check these variables against your database
+
+        // SELECT * FROM usertable WHERE username=$username AND password=$password
+        // if number of rows returned > 0 then the username and password matched
+
+
+        echo "You are logged in";
+        $_SESSION["login"] = $username;
+    }
+    else
+    {
+        echo "Error in username and password";
+    }
+}
+
+if (isset($_POST["logoutbutton"]))
+{
+    echo "logout user";
+    unset($_SESSION["login"]);
+    session_destroy();
+}