Add contributing to OF to community.md

I have also added the 2020 sections for blogs & events!

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

community.md

@@ -6,10 +6,10 @@ Welcome to the OpenFaaS community page where you can find:
 * [Function Providers/Back-ends](#openfaas-providers)
 
 * Events
-    * [2017](#events-in-2017) [2018](#events-in-2018) [2019](#events-in-2019)
+    * [2017](#events-in-2017) [2018](#events-in-2018) [2019](#events-in-2019) [2020](#events-in-2020)
 
 * Blog posts and write-ups
-    * [2017](#blog-posts-and-write-ups-2017) [2018](#blog-posts-and-write-ups-2018) [2019](#blog-posts-and-write-ups-2019)
+    * [2017](#blog-posts-and-write-ups-2017) [2018](#blog-posts-and-write-ups-2018) [2019](#blog-posts-and-write-ups-2019) [2020](#blog-posts-and-write-ups-2020)
 
 * [Repositories - Projects, Samples, and Use Cases](#repositories)
 
@@ -53,6 +53,24 @@ It would be great to hear from you especially if you have any of the above and w
 | [Episode 022 – OpenFaaS with Docker Captain](https://changelog.com/podcast/343) | The 6 Figure Developer Podcast | 15-Jan-2018 |
 | [Serverless and OpenFaas with Alex Ellis](https://hanselminutes.com/612/serverless-and-openfaas-with-alex-ellis) | The Hanselminutes Podcast | 29-Dec-2019 |
 
+### 2020
+
+#### Events in 2020
+
+[Back to top](#openfaas-community)
+
+| Event name and description                                          | Speaker      | Location | Date        |
+|---------------------------------------------------------------------|--------------|----------|-------------|
+
+#### Blog posts and write-ups 2020
+
+[Back to top](#openfaas-community)
+
+
+| Blog/repo name and description                                          | Author       | Site     | Date        |
+|-------------------------------------------------------------------------|--------------|----------|-------------|
+| [How To Get Started Contributing to OpenFaaS](https://blog.heyal.co.uk/developing-openfaas/)| Alistair Hey | blog.heyal.co.uk| 04-Jan-2020 |
+
 ### 2019
 
 #### Events in 2019