Update secrets.h to network and credentials (esp8266#8325)

WiFi credentials: standard macro used in examples

Author: mathertel

libraries/ESP8266WebServer/examples/WebServer/secrets.h

@@ -9,5 +9,10 @@
 // ssid and passPhrase can be used when compiling for a specific environment as a 2. option.
 
 // add you wifi network name and PassPhrase or use WiFi Manager
-const char *ssid = "KHMH";
-const char *passPhrase = "hk-2012FD2926";
+#ifndef STASSID
+#define STASSID "ssid"
+#define STAPSK "psk"
+#endif
+
+const char *ssid = STASSID;
+const char *passPhrase = STAPSK;