feat(cli): add template generation commands

- Introduces `gen` subcommand for HDL template generation
- Adds Jinja2 dependency for template rendering
- Updates project model to support template configurations
- Implements template listing and rendering functionality

pyproject.toml

@@ -18,6 +18,7 @@ pydantic = "^2.11.3"
 rich = "^14.0.0"
 gitpython = "^3.1.44"
 typer = "^0.16.0"
+jinja2 = "^3.1.6"
 
 [tool.poetry.group.dev.dependencies]
 twine = "^6.1.0"