rubocop Style/SymbolArray code example

Example 1: Use `%i` or `%I` for an array of symbols. (convention:Style/SymbolArray)

EnforcedStyle: percent (default)

# good
%i[foo bar baz]

# bad
[:foo, :bar, :baz]

Example 2: Use `%i` or `%I` for an array of symbols. (convention:Style/SymbolArray)

EnforcedStyle: brackets

# good
[:foo, :bar, :baz]

# bad
%i[foo bar baz]