add homelab category to post (#56)

Cause it took me a while some time to locate as I was looking for it under homelab, cause its in the title and all.

Author: ilude

_posts/2020-09-12-self-hosted-devops-stack.md

@@ -2,7 +2,7 @@
 layout: post
 title: "Build & Deploy Your Own Code in Your Homelab!"
 date: 2020-09-12 09:00:00 -0500
-categories: self-hosted
+categories: self-hosted homelab
 tags: homelab rancher kubernetes gitlab
 ---
 
@@ -97,4 +97,4 @@ contexts:
     cluster: "cluster1"
 
 current-context: "cluster1"
-```
+```