Add README and initial project structure for WebSocket chat application

* Created README.md for project overview and setup instructions.
* Updated App component to use selector for todo items.
* Enhanced TodoItemComponent styling and structure.
* Introduced new Redux selectors for better state management.
* Added initial configuration files for RequireJS and Bun.
* Established project structure for WebSocket chat application with server and frontend components.
* Included necessary dependencies and configurations for TypeScript and Vite.

Web/bfcache/frontend/src/main.ts

@@ -0,0 +1,84 @@
+
+
+const websocketStatus = document.getElementById('websocket-status') as HTMLSpanElement;
+const messages = document.getElementById('messages') as HTMLUListElement;
+const messageInput = document.getElementById('message-input') as HTMLInputElement;
+const sendButton = document.getElementById('send-button') as HTMLButtonElement;
+const loginDialog = document.getElementById('login-dialog') as HTMLDialogElement;
+const usernameInput = document.getElementById('username-input') as HTMLInputElement;
+const loginForm = document.getElementById('login-form') as HTMLFormElement;
+
+let username: string = '';
+let websocket: WebSocket;
+
+window.addEventListener('beforeunload', () => {
+  disconnect(websocket);
+});
+
+function connect(): Promise<WebSocket> {
+    return new Promise((resolve, reject) => {
+        websocket = new WebSocket(`ws://${window.location.hostname}:4444`)
+        websocket.onopen = () => {
+            websocketStatus.textContent = 'Connected';
+
+            websocket.send(JSON.stringify({
+                type: 'login',
+                username
+            }));
+
+            resolve(websocket);
+        };
+
+        websocket.onerror = (event) => {
+            reject(event);
+        };
+
+        websocket.onclose = () => {
+            websocketStatus.textContent = 'Offline';
+        };
+
+        websocket.onclose = () => {
+            websocketStatus.textContent = 'Offline';
+        };
+
+        websocket.onerror = (event: Event) => {
+            websocketStatus.textContent = `Error [${event.toString()}]`;
+        };
+
+        websocket.onmessage = (event) => {
+            console.log('WebSocket message received:', event.data);
+            const message = document.createElement('li');
+            message.textContent = event.data;
+            messages.appendChild(message);
+        };
+
+        sendButton.onclick = () => sendMessage(websocket, messageInput.value);
+    });
+}
+
+function disconnect(websocket: WebSocket) {
+    websocket.close();
+}
+
+function login() {
+    connect();
+    loginDialog.close();
+}
+
+function sendMessage(websocket: WebSocket, message: string) {
+    if (!message) {
+        return;
+    }
+
+    console.log('Sending message:', message);
+    websocket.send(message);
+    messageInput.value = '';
+}
+
+loginForm.onsubmit = (event) => {
+    event.preventDefault();
+    loginDialog.close();
+    login(usernameInput.value);
+};
+
+loginDialog.showModal();

Web/bfcache/frontend/src/styles.css

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+body {
+    background-color: #f0f0f0;
+    font-family: Arial, sans-serif;
+    margin: 0;
+    padding: 0;
+}
+
+h3 {
+    text-align: center;
+}
+
+.container {
+    max-width: 1200px;
+    margin: 0 auto;
+    padding: 20px;
+}
+
+.flex-column-container {
+    display: flex;
+    flex-direction: column;
+    justify-content: space-between;
+    align-items: center;
+}
+
+.flex-row-container {
+    display: flex;
+    flex-direction: row;
+    justify-content: space-between;
+    align-items: center;
+}
+
+.flex-item {
+    flex: 1;
+}
+
+#login-button {
+    margin: 10px auto;
+    width: 100%;
+    padding: 10px 20px;
+    background-color: #007bff;
+    color: white;
+    border: none;
+    border-radius: 5px;
+    cursor: pointer;
+}
+
+#login-button:hover {
+    background-color: #0056b3;
+}

Web/bfcache/frontend/src/vite-env.d.ts

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+/// <reference types="vite/client" />