Add Korean ver
Change Link for renamed file
Fix reference to "braces" where "parentheses" was meant.
fix 'bad' example for '&&='
[Fix #347] Add a rule regarding space inside range literals
Update an anchor
note safe assignment exception to no parens around condition
Fix module name in module vs class example
Prefer `public_send` over `send`
Move a few rules to a more appropriate place
Replace "never" with "do not" here and there
Remove an outdated rule
Start organizing the links
Add a note about coding conventions evolution
Replace a link
Keep the list of translations sorted
Avoid the use of eql? unless when == will do
Refill a paragraph
Fix bug of sample code of `eql?`.

- remove `==`
Add a rule suggesting the use of alternatives of String#gsub when possible