Add eggs, as well as example egg and config

server/eggs/notepad/index.js

@@ -0,0 +1,21 @@
+function eggNotepad() {
+    const eggsList = document.getElementById("eggs-list");
+    eggsList.style.display = "none";
+    const eggNotepad = document.getElementById("egg-notepad");
+    eggNotepad.style.display = "block";
+    const eggNotepadTextArea = document.getElementById("egg-notepad-textarea");
+    eggNotepadTextArea.addEventListener('input', function(event) {
+        const eggNotepadMessage = {
+            "type": "egg-notepad",
+            "username": username,
+            "token": md5(password),
+            "content": event.target.value
+        };
+        ws.send(JSON.stringify(eggNotepadMessage));
+    }, false);
+}
+
+function closeEggNotepad() {
+    const eggNotepad = document.getElementById("egg-notepad");
+    eggNotepad.style.display = "none";
+}