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

.github/skills/bmad-market-research/research.template.md

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+---
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+inputDocuments: []
+workflowType: 'research'
+lastStep: 1
+research_type: '{{research_type}}'
+research_topic: '{{research_topic}}'
+research_goals: '{{research_goals}}'
+user_name: '{{user_name}}'
+date: '{{date}}'
+web_research_enabled: true
+source_verification: true
+---
+
+# Research Report: {{research_type}}
+
+**Date:** {{date}}
+**Author:** {{user_name}}
+**Research Type:** {{research_type}}
+
+---
+
+## Research Overview
+
+[Research overview and methodology will be appended here]
+
+---
+
+<!-- Content will be appended sequentially through research workflow steps -->