4.0.0

• Removed: crawlDelay from options.
• Removed: cleanParam from options.
• Added: crawlDelay to each police item.
• Added: cleanParam to each police item (used only Yandex bot).
• Chore: used remark-preset-lint-itgalaxy preset.
• Chore(package): updated devDependencies.
• Chore: updated copyright year in LICENSE.
• Chore: improved tests.
• Fixed: strict order directives for each User-agent.
• Fixed: added newline after each User-agent.