fix: adding .js extension to exported *.css.js file

• this was throwing off some versions/configurations of Jest
• the module loader was looking for a CSS file

Signed-off-by: Scott Mathis <smathis@vmware.com>

src/clr-core/common/index.ts

@@ -24,4 +24,4 @@ export * from './mixins/css-helpers';
 export * from './mixins/unique-id';
 export * from './mixins/apply-mixins';
 export * from './interfaces';
-export { styles as baseStyles } from './base/base.element.css';
+export { styles as baseStyles } from './base/base.element.css.js';