refactor: standardize formatting and improve readability across core documents (#211)

### CHANGES

- Add newlines and spacing for improved readability
- Standardize instructional text for consistency
- Renumber lists within tasks for better clarity
- Add language identifiers to various code blocks
- Update placeholder text for improved consistency
- Adjust descriptions and wording in multiple files
- Update VS Code settings and dictionary words

.bmad-core/checklists/architect-checklist.md

@@ -17,11 +17,13 @@ IMPORTANT: If any required documents are missing or inaccessible, immediately as
 
 PROJECT TYPE DETECTION:
 First, determine the project type by checking:
+
 - Does the architecture include a frontend/UI component?
 - Is there a frontend-architecture.md document?
 - Does the PRD mention user interfaces or frontend requirements?
 
 If this is a backend-only or service-only project:
+
 - Skip sections marked with [[FRONTEND ONLY]]
 - Focus extra attention on API design, service architecture, and integration patterns
 - Note in your final report that frontend sections were skipped due to project type
@@ -433,4 +435,4 @@ Now that you've completed the checklist, generate a comprehensive validation rep
    - UI/UX specification coverage
    - Component design clarity
 
-After presenting the report, ask the user if they would like detailed analysis of any specific section, especially those with warnings or failures.]]
+After presenting the report, ask the user if they would like detailed analysis of any specific section, especially those with warnings or failures.]]