Add the cypress-protobuf plugin (#1514)
Add the cypress-protobuf plugin (#1514)

* Add the cypress-protobuf plugin

* Move into 'development tools' section

Only create new categories for more than 1 plugin.


Co-authored-by: Jennifer Shehane <b76474446821c6f7360e4eee990dc1f8d635e16a@gmail.com>
cypress-io/cypress-documentation,cypress-io/cypress-documentation