scheduler: improve all the things

boot.py

@@ -1,14 +1,15 @@
-# ssid, password
-import wifi
 import usocket as socket
 from utime import sleep
-
 from machine import Pin, RTC, I2C
 import network
 from DS3231 import DS3231
 import web
-
 import esp
+## wifi.py
+# ssid = xxx
+# password = yyy
+import wifi
+
 esp.osdebug(None)
 
 import ure
@@ -16,6 +17,7 @@ import uos
 import ujson
 
 import gc
+
 gc.collect()
 
 # global variables