Merge pull request #1475 from emberjs/strict-npmrc

Use strict .npmrc

Author: NullVoxPopuli

.npmrc

@@ -0,0 +1,8 @@
+# npm / pnpm settings here
+
+# as a library, we want to make sure we explicitly handle peers,
+# and not rely on hidden behavior of package-managers.
+auto-install-peers=false
+
+# we never want to use packages from the registry over what's in the workspace
+prefer-workspaces-packages=true