feat: add reminders page, BMad skills upgrade, MCP server refactor

- Add reminders page with navigation support
- Upgrade BMad builder module to skills-based architecture
- Refactor MCP server: extract tools and auth into separate modules
- Add connections cache, custom AI provider support
- Update prisma schema and generated client
- Various UI/UX improvements and i18n updates
- Add service worker for PWA support

Made-with: Cursor

.cline/skills/bmad-create-architecture/architecture-decision-template.md

@@ -0,0 +1,12 @@
+---
+stepsCompleted: []
+inputDocuments: []
+workflowType: 'architecture'
+project_name: '{{project_name}}'
+user_name: '{{user_name}}'
+date: '{{date}}'
+---
+
+# Architecture Decision Document
+
+_This document builds collaboratively through step-by-step discovery. Sections are appended as we work through each architectural decision together._