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/workflows/greenfield-service.yml

@@ -82,7 +82,7 @@ workflow:
         A[Start: Service Development] --> B{Service Complexity?}
         B -->|Complex/Production| C[analyst: project-brief.md]
         B -->|Simple/Prototype| D[analyst: focused project-brief.md]
-        
+
         C --> E[pm: prd.md]
         E --> F[architect: architecture.md]
         F --> G{Architecture suggests PRD changes?}
@@ -93,15 +93,15 @@ workflow:
         J -->|Yes| K[Return to relevant agent for fixes]
         J -->|No| L[Move to IDE Environment]
         K --> I
-        
+
         D --> M[pm: simple epic or story]
         M --> N[Move to IDE Environment]
-        
+
         C -.-> C1[Optional: brainstorming]
         C -.-> C2[Optional: market research]
         F -.-> F1[Optional: technical research]
         D -.-> D1[Optional: brainstorming]
-        
+
         style L fill:#90EE90
         style N fill:#90EE90
         style C fill:#FFE4B5