fix: set correct Disqus shortname www-speccoding-com

Updates both hugo.toml and config.toml to use the correct Disqus shortname
'www-speccoding-com' (extracted from Disqus embed code URL). Previously had
empty string in hugo.toml and incorrect 'disqus_YWibv6kNhd' in config.toml.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: tonykay

config/_default/config.toml

@@ -5,7 +5,7 @@ googleAnalytics       = "" # Enable Google Analytics by entering your tracking i
 
 [services]
   [services.disqus]
-    shortname = "disqus_YWibv6kNhd"
+    shortname = "www-speccoding-com"
 
 [params]
   [params.author]

config/_default/hugo.toml

@@ -6,7 +6,7 @@ copyright = "Copyright © 2025, Tony Kay and the Hugo Authors; all rights reserv
 # canonifyurls = true
 
 theme = "hugo-clarity"
-disqusShortname = ""
+disqusShortname = "www-speccoding-com"
 
 DefaultContentLanguage = "en"
 # [languages]