installer updates, bmd module added and moved out of src, created a plan for module installation tool for custom modules, minor flow improvements

bmd/agents/doc-keeper-sidecar/knowledge/README.md

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+# Atlas's Documentation Knowledge Base
+
+This directory contains domain-specific knowledge about BMAD documentation maintenance.
+
+## Knowledge Organization
+
+### Primary Knowledge Sources
+
+- All `*.md` files in the project
+- Code examples within documentation
+- Git history of documentation changes
+- Link structure across docs
+
+This knowledge base supplements those with:
+
+- Documentation maintenance patterns
+- Common doc-code drift issues
+- Link validation strategies
+- Style guide enforcement
+
+## Suggested Knowledge Files (to be added as needed)
+
+### `documentation-map.md`
+
+- Complete map of all documentation
+- README hierarchy
+- Guide organization
+- Cross-reference topology
+
+### `style-guide.md`
+
+- BMAD documentation standards
+- Markdown formatting rules
+- Terminology glossary
+- Voice and tone guidelines
+
+### `example-catalog.md`
+
+- Inventory of all code examples
+- Testing status of examples
+- Examples needing updates
+- Example patterns that work well
+
+### `link-topology.md`
+
+- Internal link structure
+- External link inventory
+- Broken link history
+- Link validation procedures
+
+### `doc-drift-patterns.md`
+
+- Where docs fall behind code
+- Common synchronization issues
+- Prevention strategies
+- Quick-fix templates
+
+### `readme-templates.md`
+
+- Standard README sections
+- Module README template
+- Workflow README template
+- Feature documentation template
+
+### `changelog-guide.md`
+
+- CHANGELOG.md format
+- Entry writing guidelines
+- Categorization rules
+- User-facing language
+
+## Usage
+
+As Atlas maintains documentation, this knowledge base should grow with:
+
+- Patterns in documentation drift
+- Effective doc update strategies
+- Link validation findings
+- Style consistency improvements
+
+The goal: Build institutional knowledge so documentation stays healthy and accurate as the codebase evolves.