Add custom highlighting

[jobangen]

Currently, jena-text highlighting is used: https://jena.apache.org/documentation/query/text-query.html#highlighting

Problem

• Breaks/complicates matching for example for multi word starts with #10
• is greedy when used with wildcards and

Fix

Use custom highlighting to:

• highlight match non-greedily
• handle already present html-tags

Possible lib:

• https://github.com/AlbertLucianto/vue-text-highlight