Improve formatting of example config

example_config.kdl

@@ -1,26 +1,26 @@
 bind "127.0.0.1:8080"
 concurrency-limit 128
 
-static-dir "./content/static/"
-favicon-dir "./content/favicon/"
-robots-path "./content/robots.txt"
-posts-dir "./posts/"
+static-dir     "./content/static/"
+favicon-dir    "./content/favicon/"
+robots-path    "./content/robots.txt"
+posts-dir      "./posts/"
 post-media-dir "./article_media/"
 
 namespace-uuid "00000000-0000-0000-0000-000000000000"
 
 self-ref {
     protocol "http"
-    domain "127.0.0.1:8080"
+    domain   "127.0.0.1:8080"
 }
 
 rss {
     num-posts 20
-    title "Pantonshire"
-    ttl 360
+    title     "Pantonshire"
+    ttl       360
 }
 
 atom {
     num-posts 20
-    title "Pantonshire"
+    title     "Pantonshire"
 }