Add linkey filter to details.html

[jtf621]

Based on feedback from School for Creative studies profile.

Test it on https://durhamschoolnavigator.org/#/school/218/

• Academically & Intellectually Gifted: {{ school.profile.gifted_education }}
• Our Theme: {{ school.profile.other_academic }}
• data-ng-show="school.profile.points_of_pride1" {{ school.profile.points_of_pride1 }}
• data-ng-show="school.profile.points_of_pride2" {{ school.profile.points_of_pride2 }}
• data-ng-show="school.profile.points_of_pride3" {{ school.profile.points_of_pride3 }}

[alexlemann]

Fixed in #429. Thanks again @b-r-broge .