add bootup code

boot.py

@@ -0,0 +1,30 @@
+# Just in case prevent boot loops
+from hal import *
+from time import sleep
+import socket, re, os, uwebsockets, network, binascii, ujson
+
+print("Press Ctrl-C to stop boot script...")
+sleep(0.2)
+
+# read WiFi config
+wifis = ujson.loads(open("wifis.json", "r").read())
+#print(wifis)
+
+# Connect to WiFi
+wlan = network.WLAN(network.STA_IF)
+wlan.active(True)
+if not wlan.isconnected():
+    networks = wlan.scan()
+    for network in networks:
+        ssid = network[0].decode("utf-8")
+        if ssid in wifis.keys():
+            print("connecting to: " + ssid)
+            wlan.connect(ssid, wifis[ssid])
+            break
+
+#print('network config:', wlan.ifconfig())
+#sleep(1)
+
+# Clean up
+import gc
+gc.collect()