Initialize VUE project with WS connection, main pages, and various small features

cista-front/src/repositories/WS.ts

@@ -0,0 +1,8 @@
+function createWebSocket(url: string, eventHandler: (event: MessageEvent) => void) {
+    const urlObject = new URL(url);
+    const webSocket = new WebSocket(urlObject);
+    webSocket.onmessage = eventHandler;
+    return webSocket;
+}
+
+export default createWebSocket