Make modals static. Hide some settings. Minor optimizations. Switch from NPM bach to CDN.

templates/modals/edit_player.html

@@ -1,6 +1,6 @@
 {{ define "edit_player" }}
 
-<div class="modal fade" id="editPlayerModal" tabindex="-1">
+<div class="modal fade" data-bs-backdrop="static" data-bs-keyboard="false" id="editPlayerModal" tabindex="-1">
     <div class="modal-dialog modal-dialog-centered">
         <div class="modal-content">
             <div class="modal-header">
@@ -47,7 +47,7 @@
         }
 
         function createSubmitPlayerHandler(modalEvent) {
-            return function submitPlayerHandler(e) {
+            return function submitPlayerHandler(_) {
                 if (!validateInput())
                     return;