feat(bmad): initialize comprehensive BMAD system with agents and configurations

Add complete BMAD method implementation including:
- 20+ specialized agents (dev, qa, pm, architect, etc.)
- 50+ reusable tasks for workflow automation
- IDE-specific configurations for Claude, Cursor, Gemini
- Chat modes and rule definitions for various environments
- Web bundles and team configurations
- Documentation and checklists for BMAD processes

This establishes the full BMAD ecosystem for collaborative development workflows.

.claude/commands/bmad-cw/tasks/provide-feedback.md

@@ -0,0 +1,28 @@
+# /provide-feedback Task
+
+When this command is used, execute the following task:
+
+<!-- Powered by BMAD™ Core -->
+
+# ------------------------------------------------------------
+
+# 5. Provide Feedback (Beta)
+
+# ------------------------------------------------------------
+
+---
+
+task:
+id: provide-feedback
+name: Provide Feedback (Beta)
+description: Simulate beta‑reader feedback using beta-feedback-form-tmpl.
+persona_default: beta-reader
+inputs:
+
+- draft-manuscript.md | chapter-draft.md
+  steps:
+- Read provided text.
+- Fill feedback form objectively.
+- Save as beta-notes.md or chapter-notes.md.
+  output: beta-notes.md
+  ...