Update default.md (#2496)
Update default.md (#2496)

Correct an error that ignored the "Typography" menu item in the default Grav installation and caused a discrepancy between the install page and the corresponding tutorial on getgrav/grav-learn. Related to PR https://github.com/getgrav/grav-learn/pull/681#issue-270418391 and solves issue https://github.com/getgrav/grav-learn/issues/650#issue-365078790.
stell/grav,tomzx/blog.tomrochette.com,getgrav/grav,tomzx/blog.tomrochette.com,tomzx/blog.tomrochette.com,getgrav/grav,tomzx/blog.tomrochette.com