Adding files.

templates/login.html

@@ -0,0 +1,27 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="row justify-content-center mt-5">
+    <div class="col-md-4">
+        <div class="card p-4">
+            <h3 class="text-center mb-4">Login</h3>
+            <form method="POST" action="/login">
+                <div class="mb-3">
+                    <label class="form-label">Username</label>
+                    <input type="text" name="username" class="form-control" required autofocus>
+                </div>
+                <div class="mb-3">
+                    <label class="form-label">Password</label>
+                    <input type="password" name="password" class="form-control" required>
+                </div>
+                <div class="d-grid">
+                    <button type="submit" class="btn btn-primary">Sign In</button>
+                </div>
+            </form>
+            <div class="text-center mt-3">
+                <small>Don't have an account? <a href="/register">Register here</a></small>
+            </div>
+        </div>
+    </div>
+</div>
+{% endblock %}