Add cloudformation info

README.md

@@ -4,7 +4,13 @@ This script retrieves meter reads from Geohome and pushes them to Tado EnergyIQ
 
 While this project is called 'gassyoctopus' ("Gas Sync for Octopus"), it in reality doesn't use the Octopus APIs at all as they don't reveal total consumption/the actual meter read. This instead uses the Geohome Trio hub connected to my SMETS2 Smart Meter... so it's probably useful to non-Octopus customers as well.
 
-## How to use
+## How to use (slightly more automatically)
+1. Deploy the [Cloudformation template](cloudformation.yml) on your AWS account
+2. Go to the newly created [lambda (gassyoctopus-lambda-[randomid])](https://console.aws.amazon.com/lambda/home#/functions) and upload the [latest zipped release](https://github.com/jsjohnstone/gassyoctopus/releases/download/latest/lambda_function.zip)
+3. Go to the newly created [Secret (home/gassyoctopus-secret-[randomID])](https://console.aws.amazon.com/secretsmanager/listsecrets) and edit the values to reflect your own Geohome and Tado accounts
+4. The sync will automatically happen at 23:30 GMT - you can edit this in Eventbridge Schedules, or manually run the Lambda to test it.
+
+## How to use (manually)
 1. Deploy the function on AWS Lambda.
 2. Add the `AWS-Parameters-and-Secrets-Lambda-Extension` layer to your Lambda.
 3. Create a secret on Secret Manager (e.g. called `home/gassysecrets`) with this key/value structure:
@@ -30,4 +36,4 @@ While this project is called 'gassyoctopus' ("Gas Sync for Octopus"), it in real
 Distributed under the MIT License.
 
 ## Acknowledgements
-- [node-tado-client](https://github.com/mattdavis90/node-tado-client) by mattdavis90
+- [node-tado-client](https://github.com/mattdavis90/node-tado-client) by mattdavis90