polymart-downloads.service.js

* Add [polymart] badges (#7429)

* fix misspelling issue

* add required to all joi objects

* fix not found badge return a valid resource issue

* fix misspelling issue

* fix invalid resource issue

* remove default badge color

Co-authored-by: chris48s <chris48s@users.noreply.github.com>

* remove version default badge color

* change version label to the service name

* add renderVersionBadge() method for version rendering

* fix method name issue

* change version regex

* fix code style issue

* add renderVersionBadge from version and remove the manually added renderer

Co-authored-by: chris48s <chris48s@users.noreply.github.com>