added authentication

comic_auth/templates/comic_auth/login.html

@@ -0,0 +1,20 @@
+{% extends "base.html" %}
+{% block title %}CBreader Login{% endblock %}
+{% block content %}
+
+<div class="col-md-4 col-md-offset-4">
+    {% if error %}
+        <div class="alert alert-danger" role="alert"><p>Your username and password didn't match. Please try again.</p></div>
+    {% endif %}
+    <form method="post" class="form-signin">
+        {% csrf_token %}
+        <h2 class="form-signin-heading">Please sign in</h2>
+        <label for="inputUser" class="sr-only">Username</label>
+        <input type="text" name="user" id="inputUser" class="form-control" placeholder="Username" required autofocus>
+        <label for="inputPassword" class="sr-only">Password</label>
+        <input type="password" name="password" id="inputPassword" class="form-control" placeholder="Password" required>
+        <button class="btn btn-lg btn-primary btn-block" type="submit">Sign in</button>
+    </form>
+</div>
+
+{% endblock %}