[acc course location] allow to locate course from the index page

src/Bundle/ChillPersonBundle/Resources/public/page/accompanying_course_index/person_locate.js

@@ -0,0 +1,49 @@
+const onSubmit = function(e) {
+    e.preventDefault();
+    let
+        form = e.target,
+        formData = new FormData(form),
+        url = form.action,
+        payload = {
+            type: 'accompanying_period',
+            id: Number.parseInt(formData.get('periodId'), 10),
+            personLocation: {
+                type: 'person',
+                id: Number.parseInt(formData.get('personLocation'), 10)
+            }
+        }
+    ;
+
+    console.log('event', e);
+    console.log('form', form);
+    console.log('formData', formData);
+    console.log('url', url);
+    console.log('payload', payload);
+
+    window.fetch(url, {
+        method: 'PATCH',
+        headers: {
+            'Content-Type': 'application/json'
+        },
+        body: JSON.stringify(payload),
+    })
+        .then(r => {
+            if (r.ok) {
+                console.log('response ok');
+                window.location.reload();
+            } else {
+                console.err("could not patch accompanying course");
+            }
+        });
+}
+
+window.addEventListener('DOMContentLoaded', function(e) {
+  let forms = document.querySelectorAll('.quickLocationForm');
+
+  console.log(forms);
+
+  forms.forEach(function(form){
+      console.log('form quickLocation found', form);
+      form.addEventListener('submit', onSubmit);
+  })
+});