Add js file instead lua

t/socket.js

+function connect(r) {
+    let sock = ngx.socket.tcp();
+    let ok, err = sock.connect("127.0.0.1", 8443);
+    if (!ok) {
+        ngx.say("failed to connect to upstream: ", err);
+        return;
+    }
+    ngx.say("successfully connected to upstream!");
+    sock.send("G");
+    sock.close();
+}
+  
+export default {connect}