Enable garabage collection

src/main.py

@@ -51,8 +51,8 @@ async def main():
     # start the server in a bacakground task
     print("Starting")
     server = asyncio.create_task(w.start_server(host="0.0.0.0", port=80))
-    #wdt = machine.WDT(timeout=10000)
-    #wdt.feed()
+    wdt = machine.WDT(timeout=10000)
+    wdt.feed()
 
 
     asyncio.create_task(wifi_connect())
@@ -62,11 +62,10 @@ async def main():
     while True:
 
         #print(time.localtime())
-
-        # gc.collect()
-        for i in range(60):
-            #wdt.feed()
-            await asyncio.sleep_ms(500)
+        gc.collect()
+        for i in range(20):
+            wdt.feed()
+            await asyncio.sleep_ms(1000)
 
     # cleanup before ending the application
     await server