Several fixes

* Fixed rare unprompted auto-restart stream bug (bkram) [/web/js/3las/main.js]
* Fixed multiple tooltip bug while RDS PS is tentatively loaded [/web/js/main.js]
* Changed copying of plugin files to symlinks (junction for Windows) [/server/plugins.js]
* Auto-reconnect audio stream on restored/changed internet connection [/web/js/3las/3las.js]
* Main WebSocket connection can be shared with plugins [/web/js/websocket.js] [/web/index.ejs]

web/js/websocket.js

@@ -0,0 +1,30 @@
+var url = new URL('text', window.location.href);
+url.protocol = url.protocol.replace('http', 'ws');
+var socketAddress = url.href;
+var socket = new WebSocket(socketAddress);
+
+const socketPromise = new Promise((resolve, reject) => {
+    // Event listener for when the WebSocket connection is open
+    socket.addEventListener('open', () => {
+        console.log('WebSocket connection open');
+        resolve(socket); // Resolve the promise with the WebSocket instance
+    });
+
+    // Event listener for WebSocket errors
+    socket.addEventListener('error', (error) => {
+        console.error('WebSocket error', error);
+        reject(error); // Reject the promise on error
+    });
+
+    // Event listener for WebSocket connection closure
+    socket.addEventListener('close', () => {
+        console.warn('WebSocket connection closed');
+        reject(new Error('WebSocket connection closed')); // Reject with closure warning
+    });
+});
+
+// Assign the socketPromise to window.socketPromise for global access
+window.socketPromise = socketPromise;
+
+// Assign the socket instance to window.socket for global access
+window.socket = socket;