fix(frontend): remove unnecessary whitespaces from cells

static/index.js

@@ -99,6 +99,19 @@ function make_table(url) {
         "Venerdì",
         "Sabato",
       ];
+      let thead = document.createElement("thead");
+      let tr = document.createElement("tr");
+      let th = document.createElement("th");
+      th.scope = "col";
+      tr.appendChild(th);
+      for (let i = 0; i < columns; i++) {
+        let th = document.createElement("th");
+        th.scope = "col";
+        th.textContent = i + 1;
+        tr.appendChild(th);
+      }
+      thead.appendChild(tr);
+      table.appendChild(thead);
       week.forEach((weekday) => {
         let tr = document.createElement("tr");
         let th = document.createElement("th");
@@ -109,7 +122,7 @@ function make_table(url) {
           let inserted = 0;
           data[weekday].forEach((student_class) => {
             let td = document.createElement("td");
-            td.textContent = student_class;
+            td.textContent = student_class.replace(/ (?=[a-z])/g, "");
             tr.appendChild(td);
             inserted++;
           });