feat: add SEO descriptions to all pages and fix canonical URL

content/2.general/3.hardware/1.basics.md

@@ -1,6 +1,7 @@
 ---
 navigation: true
 title: The Basics
+description: Overview of server hardware fundamentals — CPUs, RAM, storage, and form factors to understand before building your homelab.
 main:
   fluid: false
 ---

content/2.general/3.hardware/2.network.md

@@ -1,6 +1,7 @@
 ---
 navigation: true
 title: Network
+description: Overview of networking hardware for homelabs — switches, NICs, cables, and how to connect your servers efficiently.
 main:
   fluid: false
 ---

content/2.general/3.hardware/3.prolonas.md

@@ -1,6 +1,7 @@
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 navigation: true  
-title: The ProloNAS  
+title: The ProloNAS
+description: Build a capable home server on a budget using an Intel N100 mini PC — a practical guide to getting started with self-hosting for under $130.
 fluid: false  
 ---