* refactor: output article element when needed
* refactor: refactor container styles and media queries
- Add the `$tablet` variable to `_container.scss`
- Add a media query to `_container.scss`
- Import `_container.scss` in `critical.scss`
- Remove the import of `_container.scss` in `style.scss`
feat(container.ts): create container module to handle scrollable behavior and add/remove disableScroll class
fix(customCursor.ts): update append target for cursor element to use container instead of main
fix(stage.ts): update append target for stage element to use container instead of main
fix(stageNav.ts): update append target for navOverlay element to use container instead of main
feat(main.ts): initialize container module and conditionally initialize stage and stageNav modules based on device type
fix(nav.ts): update references to state module functions to use state.get() instead of getState()
