fix: use UK English spelling in MCP server docstring (#36)

Audited all PHP files for US English spellings per CLAUDE.md convention.
Fixed "Organize" → "Organise" in Mcp/Servers/Marketing.php docstring.

CSS/JS identifiers (borderColor, backgroundColor, transition-colors) and
array keys that form interface contracts with the host-uk/core package are
unchanged as they are not prose.

Closes #36

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Mcp/Servers/Marketing.php

@@ -54,7 +54,7 @@ class Marketing extends Server
         #### Other Bio Tools
         - `qr_tools` - Generate QR codes
         - `pixel_tools` - Manage tracking pixels
-        - `project_tools` - Organize into projects
+        - `project_tools` - Organise into projects
         - `notification_tools` - Manage notification handlers
         - `submission_tools` - Manage form submissions
         - `pwa_tools` - Configure PWA

TODO.md

@@ -196,9 +196,10 @@ Production-quality task list for the AI agent orchestration package.
 
 ### Consistency
 
-- [ ] **CON-001: Mixed UK/US spelling in code comments**
+- [x] **CON-001: Mixed UK/US spelling in code comments** (FIXED 2026-02-23)
   - Issue: Some comments use "organize" instead of "organise"
   - Fix: Audit and fix to UK English per CLAUDE.md
+  - Changed: `Mcp/Servers/Marketing.php` "Organize" → "Organise" in docstring
 
 - [ ] **CON-002: Inconsistent error response format**
   - Issue: Some tools return `['error' => ...]`, others `['success' => false, ...]`