[Bug]: Import error for Typography

**Describe the bug**

On the documentation for [Typography](https://vanillaframework.io/docs/base/typography#import), the import does not work
`@import 'patterns_headings';`

**To Reproduce**

Steps to reproduce the behavior:

1. Run a project that imports vanilla i.e [cookie-policy](https://github.com/canonical/cookie-policy/)
2. Import the stylesheet
3. See error

**Expected behavior**

The provided import on documentation should locate the stylesheet correctly

**Screenshots**

If applicable, add screenshots to help explain your problem.

**Desktop (please complete the following information):**

- OS: [e.g. iOS]
- Browser [e.g. chrome, safari]
- Version [e.g. 22]

**Smartphone (please complete the following information):**

- Device: [e.g. iPhone6]
- OS: [e.g. iOS8.1]
- Browser [e.g. stock browser, safari]
- Version [e.g. 22]

**Additional context**

Add any other context about the problem here.

Start with the Typography documentation import section and reproduce the issue in the linked cookie-policy project using `@import 'patterns_headings';`. Check whether the documented import resolves the Typography stylesheet without an error; done means the provided import works as documented.

Written by the indexing model from the issue text.