* added comment-spacing rule for revive
* added test for comment-spacings rule
* adds comment-spacings rule to the configuration
* renames the source file to match rule name
* adds some tests
* refactor Comment-Spacings Rule to remove whiteList and avoid Panic at empty comment
* refactoring and adds rule configuration
* adds rule documentation
Co-authored-by: chavacava <salvadorcavadini+github@gmail.com>