[BUGFIX release] Add blueprints to ember-data package.

In 3.11 ember-data migrated its blueprints to belong to the specific
packages that they operate on. Unfortunately, ember-cli (at least as of
3.12) only supports discovering blueprints from addons that are direct
dependencies or devDependencies of the project.

This adds re-exports for each of the blueprints from the top level
`ember-data` package in order to make `ember g model` (and friends) work
properly when the project depends on `ember-data` and not the individual
`@ember-data/*` packages themselves.

packages/-ember-data/blueprints/adapter-test/index.js

@@ -0,0 +1,4 @@
+// Re-exporting the blueprints from the top level `ember-data` package
+// because blueprint discovery in ember-cli (as of 3.12) is only done
+// for top level packages.
+module.exports = require('@ember-data/adapter/blueprints/adapter-test');

packages/-ember-data/blueprints/adapter/index.js

@@ -0,0 +1,4 @@
+// Re-exporting the blueprints from the top level `ember-data` package
+// because blueprint discovery in ember-cli (as of 3.12) is only done
+// for top level packages.
+module.exports = require('@ember-data/adapter/blueprints/adapter');

packages/-ember-data/blueprints/model-test/index.js

@@ -0,0 +1,4 @@
+// Re-exporting the blueprints from the top level `ember-data` package
+// because blueprint discovery in ember-cli (as of 3.12) is only done
+// for top level packages.
+module.exports = require('@ember-data/model/blueprints/model-test');

packages/-ember-data/blueprints/model/index.js

@@ -0,0 +1,4 @@
+// Re-exporting the blueprints from the top level `ember-data` package
+// because blueprint discovery in ember-cli (as of 3.12) is only done
+// for top level packages.
+module.exports = require('@ember-data/model/blueprints/model');

packages/-ember-data/blueprints/serializer-test/index.js

@@ -0,0 +1,4 @@
+// Re-exporting the blueprints from the top level `ember-data` package
+// because blueprint discovery in ember-cli (as of 3.12) is only done
+// for top level packages.
+module.exports = require('@ember-data/serializer/blueprints/serializer-test');

packages/-ember-data/blueprints/serializer/index.js

@@ -0,0 +1,4 @@
+// Re-exporting the blueprints from the top level `ember-data` package
+// because blueprint discovery in ember-cli (as of 3.12) is only done
+// for top level packages.
+module.exports = require('@ember-data/serializer/blueprints/serializer');

packages/-ember-data/blueprints/transform-test/index.js

@@ -0,0 +1,4 @@
+// Re-exporting the blueprints from the top level `ember-data` package
+// because blueprint discovery in ember-cli (as of 3.12) is only done
+// for top level packages.
+module.exports = require('@ember-data/serializer/blueprints/transform-test');

packages/-ember-data/blueprints/transform/index.js

@@ -0,0 +1,4 @@
+// Re-exporting the blueprints from the top level `ember-data` package
+// because blueprint discovery in ember-cli (as of 3.12) is only done
+// for top level packages.
+module.exports = require('@ember-data/serializer/blueprints/transform');