further improvments, [this] in lambda fcn callback, compressed gz webfiles via streamFile()

lib/httpserver/httpserver.h

@@ -46,6 +46,34 @@ public:
                 streamFile(f, cont);
             }
         });
+        on("/comp.html", [this]() {
+            File f = open("/comp.html.gz");
+            if (!f) {
+                Serial.println("Failed to open file for reading");
+
+            }
+            else
+            {
+                Serial.println("Streaming /comp.html.gz to client");
+                const String cont = "text/html";
+                streamFile(f, cont);
+            }
+        });
+        onNotFound([this]() {
+            String message = "File Not Found\n\n";
+            message += "URI: ";
+            message += uri();
+            message += "\nMethod: ";
+            message += (method() == HTTP_GET) ? "GET" : "POST";
+            message += "\nArguments: ";
+            message += args();
+            message += "\n";
+
+            for (uint8_t i = 0; i < args(); i++) {
+                message += " " + argName(i) + ": " + arg(i) + "\n";
+            }
+            send(404, "text/plain", message);
+        });
 
         if( this->addRootFileHandler() ){
             this->begin();