ClassNames.java: Fetch check names from rule/*...

See #138, release log:

• 1427e6a by @l3r8yJ: version
• 068e410 by @l3r8yJ: scanned
• 5d8236f by @l3r8yJ: ref
• 7240a01 by @l3r8yJ: better links
• 48d9551 by @l3r8yJ: naming
• b492b68 by @rultor: Merge branch '__rultor'
• 441422b by @rultor: Merge branch '__rultor'
• 75621b9 by @rultor: Merge branch '__rultor'
• 3cac629 by @rultor: Merge branch '__rultor'
• ad9069f by @renovate[bot]: chore(deps): update junit5 mon...
• f7e17c4 by @renovate[bot]: chore(deps): update codecov/co...
• 804f86f by @renovate[bot]: chore(deps): update peter-evan...
• 5679f95 by @renovate[bot]: chore(deps): update actions/ca...
• 3da1c02 by @h1alexbel: feat(#128, #127): #128 back
• 047398a by @renovate[bot]: chore(deps): update dependency...
• 4056fef by @h1alexbel: feat(#128, #127): lazy scalar
• 0369721 by @h1alexbel: feat(#128, #127): no sneaky
• b2d622f by @h1alexbel: feat(#128, #127)
• 64d72cd by @h1alexbel: feat(#117): rule
• 781a951 by @h1alexbel: feat(#117): blog posts inlined
• and 16 more...

Released by Rultor 2.0-SNAPSHOT, see build log