Add Alistair Hey Blog to community.md

Signed-off-by: Alistair Hey <alistair@heyal.co.uk>

community.md

@@ -124,6 +124,7 @@ It would be great to hear from you especially if you have any of the above and w
 
 | Blog/repo name and description                                          | Author       | Site     | Date        |
 |-------------------------------------------------------------------------|--------------|----------|-------------|
+| [My 2019 in review - Hello Open Source!](https://blog.heyal.co.uk/My-2019/)| Alistair Hey | blog.heyal.co.uk| 30-Dec-2019 |
 | [Going Serverless with OpenFaaS and Golang - Building Optimized Templates](https://martinheinz.dev/blog/11) | Martin Heinz | martinheinz.dev | 29-Nov-2019 |
 | [Serverless Kotlin with OpenFaaS](https://kotlinexpertise.com/serverless-kotlin/) | Simon Wirtz | kotlinexpertise.com | 21-Nov-2019 |
 | [Going Serverless with OpenFaaS and Golang - The Ultimate Setup and Workflow](https://martinheinz.dev/blog/10) | Martin Heinz | martinheinz.dev | 16-Nov-2019 |