added to readme and created dev branch

README.md

@@ -1,3 +1,11 @@
 # datalogger
 
-ESP8266 running Micropython collecting temperature humidity and light level. Pushing data to a Mosquito server. A python script to ingest the data into an influx database. Grafana to display the data.
+ESP8266 running Micropython collecting temperature humidity and light level. Pushing data to a Mosquito server. A python script to ingest the data into an influx database. Grafana to display the data.
+
+## Setting up ampy
+
+`ampy` is a application that allows terminal access to connected micropython devices.
+
+## typology
+
+![](docs/typology)