add new block dialog to scheduler

layout.html

@@ -808,6 +808,11 @@
 							response.json().then((json) => {
 								// TODO: populate schedule grid
 
+								// add event handlers
+								const block_cells = document.querySelectorAll(".schedule_grid_program_cell");
+								block_cells.forEach((cell) => {
+									cell.addEventListener("click", schedule_grid_click_handler);
+								});
 							});
 						}
 					});