Adds types

Gemfile

@@ -70,3 +70,11 @@ gem "tailwindcss-rails", "~> 4.4"
 gem "kaminari", "~> 1.2"
 
 gem "dotenv-rails", "~> 3.2"
+
+# Type checking with Sorbet
+gem "sorbet-runtime"
+
+group :development do
+  gem "sorbet", require: false
+  gem "tapioca", require: false
+end