Add frozen_string_literal comments and enable RuboCop rule #66
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Apparently Ruby 4 will freeze string literals by default. In preparation for that breaking change, Ruby 3.4 will issue a warning when string literals are mutated.
To prepare nextgen and nextgen-generated apps for the Ruby 4 future, I've added the
frozen_string_literal
comment to all files to opt into this behavior. For apps that opt into RuboCop, I've enabled theStyle/FrozenStringLiteralComment
rule by default as well.