Update cryptomate_api.gemspec

cryptomate_api.gemspec

@@ -6,21 +6,18 @@ Gem::Specification.new do |spec|
   spec.name = "cryptomate_api"
   spec.version = CryptomateApi::VERSION
   spec.authors = ["Matias Albarello"]
-  spec.email = ["[email protected]"]
+  spec.email = ["[email protected]"]
+  spec.licenses = ["MIT"]
 
   spec.summary     = "Ruby client for the CryptoMate API."
   spec.description = "Provides a Ruby interface to the CryptoMate API, allowing easy access to cryptocurrency data and transaction operations. Supports retrieving currency details, creating and fetching transactions, and managing user information."
   spec.homepage = "https://github.com/matiasalbarello/cryptomate_api"
   spec.required_ruby_version = ">= 2.6.0"
 
-  spec.metadata["allowed_push_host"] = "TODO: Set to your gem server 'https://example.com'"
-
   spec.metadata["homepage_uri"] = spec.homepage
-  spec.metadata["source_code_uri"] = "https://github.com/matiasalbarello/cryptomate_api"
-  spec.metadata["changelog_uri"] = "https://github.com/matiasalbarello/cryptomate_api/blob/main/CHANGELOG.md"
+  spec.metadata["source_code_uri"] = spec.homepage
+  spec.metadata["changelog_uri"] = "#{spec.homepage}/blob/main/CHANGELOG.md"
 
-  # Specify which files should be added to the gem when it is released.
-  # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
   spec.files = Dir.chdir(__dir__) do
     `git ls-files -z`.split("\x0").reject do |f|
       (File.expand_path(f) == __FILE__) || f.start_with?(*%w[bin/ test/ spec/ features/ .git .circleci appveyor])