docs(sds): fix directory tree to match actual project structure

- Changed root from 'tzif/' to 'functional/'
- Removed non-existent directories (domain/, application/, infrastructure/, examples/)
- Added actual directories (version/, tools/, config/)
- Fixes release validation documentation consistency check

Author: abitofhelp

docs/formal/software_design_specification.md

@@ -344,15 +344,14 @@ test/
 ### 10.2 Project Structure
 
 ```
-tzif/
+functional/
 ├── src/
-│   ├── domain/
-│   ├── application/
-│   └── infrastructure/
+│   └── version/
 ├── test/
-├── examples/
 ├── docs/
-└── scripts/
+├── scripts/
+├── tools/
+└── config/
 ```
 
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