fix: fixed tags and categories in several blog posts

content/posts/2014/pi-cluster-1-shopping/index.md

@@ -2,7 +2,7 @@
 title: "Raspberry pi cluster Step 1: Shopping"
 date: "2014-09-05 23:00"
 template: "post"
-category: "Homelab"
+category: "homelab"
 tags:
   - "raspberry"
   - "cluster"

content/posts/2014/pi-cluster-2-the-build/index.md

@@ -2,7 +2,7 @@
 title: "Raspberry pi cluster Step 2: Assembling the hardware"
 date: "2014-09-10"
 template: "post"
-category: "Homelab"
+category: "homelab"
 tags:
   - "raspberry"
   - "cluster"

content/posts/2014/pi-cluster-3-installing-the-os/index.md

@@ -2,7 +2,7 @@
 title: "Raspberry pi cluster Step 3: Installing the OS"
 date: "2014-09-14"
 template: "post"
-category: "Homelab"
+category: "homelab"
 tags:
   - "raspberry"
   - "cluster"

content/posts/2014/pi-cluster-4-setting-up-the-master-node/index.md

@@ -2,7 +2,7 @@
 title: "Raspberry pi cluster Step 4: Setting up the master node"
 date: "2014-09-17"
 template: "post"
-category: "Homelab"
+category: "homelab"
 tags:
   - "raspberry"
   - "cluster"

content/posts/2014/pi-cluster-5-expanding-the-cluster/index.md

@@ -2,7 +2,7 @@
 title: "Raspberry pi cluster step 5: Expanding the cluster"
 date: "2014-09-19"
 template: "post"
-category: "Homelab"
+category: "homelab"
 tags:
   - "raspberry"
   - "cluster"

content/posts/2014/using-the-cluster-for-home-automation/index.md

@@ -2,12 +2,12 @@
 title: "The pi cluster, home automation & kickstarter monitoring"
 date: "2014-09-27"
 template: "post"
-category: "Homelab"
+category: "homelab"
 tags:
   - "python"
   - "raspberry"
   - "pi"
-  - "home automation"
+  - "home-automation"
 description: "Today's blog is about home automation."
 disqusId: "7"
 ---