Add link to CONFIG.md

Author: sue445

README.md

@@ -50,6 +50,8 @@ See below for details.
 
 https://sue445.github.io/ruby_header_parser/RubyHeaderParser/Parser.html
 
+See [CONFIG.md](CONFIG.md) for config file details
+
 ## Development
 
 After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.

lib/ruby_header_parser/config.rb

@@ -8,6 +8,8 @@ class Config
     attr_reader :data
 
     # @param config_file [String]
+    #
+    # @note See [CONFIG.md](../file.CONFIG.html) for config file details
     def initialize(config_file)
       yaml = File.read(config_file)
       @data = YAML.safe_load(yaml, aliases: true, permitted_classes: [Regexp])

lib/ruby_header_parser/parser.rb

@@ -34,6 +34,8 @@ class Parser # rubocop:disable Metrics/ClassLength
     #
     # @note `dist_preprocessed_header_file` is used as the output destination for temporary files when the parser
     #       is executed
+    #
+    # @note See [CONFIG.md](../file.CONFIG.html) for config file details
     def initialize(dist_preprocessed_header_file: nil, header_file: DEFAULT_HEADER_FILE,
                    include_paths: DEFAULT_INCLUDE_PATHS, config_file: nil)
       @header_file = header_file