docs/esp8266_contents: Referebce general and tutorial docs.

docs/esp8266_contents.rst

@@ -4,6 +4,8 @@ MicroPython documentation contents
 .. toctree::
 
     esp8266/quickref.rst
+    esp8266/general.rst
+    esp8266/tutorial/index.rst
     library/index.rst
     reference/index.rst
     license.rst