This commit refactors the template structure for components to multiple
different base templates based on the required styling options:
- nostyle
- with styles
- with styles and css modules
Wrapped Node's path.normalize() around paths that have
`componentPartPath` as a part segment. For non-namespaced components
this segment can be empty which leads to two consecutive slashes.
Updated test suite to assert against the updated import statements
in various files.
