add user public gallery link to index

templates/index.html

@@ -9,6 +9,7 @@
     <a href="{{ url_for('change_password') }}">Change password</a><br />
     <a href="{{ url_for('logout') }}">Logout</a><br />
     <a href="{{ url_for('manage_uploads') }}">Manage Uploads</a><br />
+	<a href="{{ url_for('gallery', username=session.username) }}">Public Gallery</a><br />
 	<p>Select file to upload:
     <p><input type="file" name="file" required multiple/><br />
 	<input type="checkbox" name="randname"/> Generate random filename.<br />