shaca now loads attributes, added favicon and shareJs

src/public/app/share.js

@@ -0,0 +1,21 @@
+/**
+ * Fetch note with given ID from backend
+ *
+ * @param noteId of the given note to be fetched. If falsy, fetches current note.
+ */
+async function fetchNote(noteId = null) {
+    if (!noteId) {
+        noteId = document.getElementsByName("body")[0].getAttribute("data-note-id");
+    }
+
+    const resp = await fetch(`share/api/notes/${noteId}`);
+
+    return await resp.json();
+}
+
+document.addEventListener('DOMContentLoaded', () => {
+    const toggleMenuButton = document.getElementById('toggleMenuButton');
+    const layout = document.getElementById('layout');
+
+    toggleMenuButton.addEventListener('click', () => layout.classList.toggle('showMenu'));
+}, false);