Add IEC 62304 page and update links
- Add IEC 62304 page
- Update source/solutions/compliance/index.html.md to add wording for frameworks and add link to IEC 62304 page
- Update source/solutions/index.html.haml to add link to IEC 62304 page
Saw previous pages were merged by @kuthiala or @johnjeremiah, so tagging both of you. From https://gitlab.com/gitlab-com/gl-security/compliance/compliance/issues/166
Take a look and let me know if there's anything you think should be changed, or if there are issues with the formatting/naming. Thanks so much!