create new package scaffolder-node

Signed-off-by: Fredrik Adelöw <freben@gmail.com>

.changeset/itchy-goats-melt.md

@@ -0,0 +1,8 @@
+---
+'@backstage/plugin-scaffolder-backend-module-cookiecutter': patch
+'@backstage/plugin-scaffolder-backend-module-sentry': patch
+'@backstage/plugin-scaffolder-backend-module-yeoman': patch
+'@backstage/plugin-scaffolder-backend-module-rails': patch
+---
+
+Internal refactor to use the new scaffolder-node package for some functionality

.changeset/lazy-badgers-try.md

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+---
+'@backstage/plugin-scaffolder-node': minor
+---
+
+New package that takes over some of the types and functionality from scaffolder-backend that are shared with other modules