feat: setup pre-commit and handle linting errors #134

Job	Run time
Coverage report / test-coverage-internal	7m 30s
Check current version / macos-latest (release)	5m 53s
Check NN version / macos-latest (R 4.3.1, 2023-10-25)	6m 43s
Check current version / windows-latest (release)	10m 4s
Check NN version / macos-latest (R 4.4.1, 2024-08-06)	6m 41s
Check current version / ubuntu-latest (devel)	7m 10s
Check NN version / windows-latest (R 4.3.1, 2023-10-25)	15m 54s
Check current version / ubuntu-latest (release)	6m 53s
Check NN version / windows-latest (R 4.4.1, 2024-08-06)	11m 51s
Check current version / ubuntu-latest (oldrel-1)	7m 28s
Check NN version / ubuntu-latest (R 4.3.1, 2023-10-25)	26m 3s
Check NN version / ubuntu-latest (R 4.4.1, 2024-08-06)	20m 4s
Megalinter / MegaLinter	2m 45s
Pkgdown site / pkgdown	2m 58s
	2h 17m 57s

Provide feedback