Extended documentation: Usage Guides 1

docs/api/frontend.md

docs/usage/building.md

docs/usage/cli.md

docs/usage/generator_scripts.md

docs/usage/index.md

mkdocs.yml

src/pystencilssfg/composer.py

src/pystencilssfg/context.py

src/pystencilssfg/generator.py

src/pystencilssfg/source_components.py

src/pystencilssfg/source_concepts/cpp/std_vector.py

src/pystencilssfg/source_concepts/source_objects.py