Create paymenter-theme-installation-citadel-theme task

Task 17 migration.

Date: 2026-02-16

docs/tasks/paymenter-theme-installation-citadel-theme/README.md

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+# Paymenter Theme Installation - Citadel Theme
+
+**Status:** Ready  
+**Priority:** Tier 3 - Branding  
+**Time:** 1-2 hours  
+**Last Updated:** 2026-02-16
+
+## Overview
+Install and configure Citadel theme for Paymenter billing system. Professional appearance for customer portal.
+
+## Tasks
+1. Download Citadel theme
+2. Install in Paymenter
+3. Configure branding (Fire/Frost colors)
+4. Test customer portal
+5. Document customizations
+
+## Success Criteria
+- ✅ Citadel theme installed
+- ✅ Fire/Frost branding applied
+- ✅ Customer portal professional
+
+**Fire + Frost + Foundation** 💙🔥❄️