chore: housekeeping

.github/FUNDING.yml

@@ -0,0 +1 @@
+github: [palkan, bbatsov]

.rubocop.yml

@@ -13,7 +13,7 @@ AllCops:
     - '*.gemspec'
   DisplayCopNames: true
   StyleGuideCopsOnly: false
-  TargetRubyVersion: 2.5
+  TargetRubyVersion: 2.6
   SuggestExtensions: false
 
 Style/Documentation:

rubocop-md.gemspec

@@ -1,6 +1,6 @@
-lib = File.expand_path("../lib", __FILE__)
-$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
-require "rubocop/markdown/version"
+# frozen_string_literal: true
+
+require_relative "lib/rubocop/markdown/version"
 
 Gem::Specification.new do |spec|
   spec.name          = "rubocop-md"
@@ -10,12 +10,10 @@ Gem::Specification.new do |spec|
 
   spec.summary       = %q{Run Rubocop against your Markdown files to make sure that code examples follow style guidelines.}
   spec.description   = %q{Run Rubocop against your Markdown files to make sure that code examples follow style guidelines.}
-  spec.homepage      = "https://github.com/palkan/rubocop-md"
+  spec.homepage      = "https://github.com/rubocop-hq/rubocop-md"
   spec.license       = "MIT"
 
-  spec.files         = `git ls-files -z`.split("\x0").reject do |f|
-    f.match(%r{^(test|spec|features)/})
-  end
+  spec.files = Dir.glob("lib/**/*") + Dir.glob("config/**/*") + %w[README.md LICENSE.txt CHANGELOG.md]
 
   spec.metadata = {
     "bug_tracker_uri" => "http://github.com/rubocop-hq/rubocop-md/issues",