replace namespaces nesting and groupingby the native "!pragma useIntermediatePackages false" clause

What's Changed

• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #55
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #57
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #58
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #60
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #61
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #62
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #63
• refactor(puml): remove nesting and grouping of namespaces, use "!pragma useIntermediatePackages false" instead by @lucsorel in #64

New Contributors

• @pre-commit-ci made their first contribution in #55

Full Changelog: 0.8.0...0.8.1