Adding due date for assignment 1

Author: Liby99

index.html

@@ -104,7 +104,7 @@ <h2>Course Calendar</h2>
                 <tr><td>Sep 4 (Thu)</td><td>Lecture</td></tr>
                 <tr><td rowspan="2">3</td>
                     <td>Sep 9 (Tue)</td><td>Lecture</td></tr>
-                <tr><td>Sep 11 (Thu)</td><td>Lecture</td></tr>
+                <tr><td>Sep 11 (Thu)</td><td>Lecture | <a target="_blank" href="https://github.com/machine-programming/assignment-1">Assignment 1 Due</a></td></tr>
                 <tr><td rowspan="2">4</td>
                     <td>Sep 16 (Tue)</td><td>Lecture</td></tr>
                 <tr><td>Sep 18 (Thu)</td><td>Lecture</td></tr>