chore: Add puma

tvdeyen · tvdeyen · commit 8496baab84bb · 2026-03-21T22:49:30.000+01:00
Necessary if you want to serve from
the dummy app.
diff --git a/Gemfile b/Gemfile
@@ -28,3 +28,5 @@ gem "pry-byebug"
 gem "propshaft", "~> 1.3"
 
 gem "rspec-openapi", require: false
+
+gem "puma", "~> 7.2"
