Links to sub-techniques

[isaisabel]

As a user, I want to be able to navigate directly from a parent technique to a sub-technique, and vice versa.

• [x] On a sub-technique, the parent-technique name prefix should be a hyperlink to the parent technique.
• [ ] On a sub-technique, entries in the other-sub-techniques STIX list should link to those sub-techniques when clicked
• [ ] On a parent technique, entries in the sub-techniques STIX list should link to those sub-techniques when clicked

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Note: this feature was already partially implemented as part of the v0.2 milestone, but due to bugs was scrapped. If re-implemented, ensure that loading a sub-technique or parent technique is properly reflected in stix-lists and breadcrumbs. Angular's intelligent DOM reuse often means those components don't always reinitialize on navigation, and sometimes show the previous page's data.

[isaisabel]

See also the previous implementation of these features in in #147, and their removal in ae9c347e7fcf7fd25f004a58b0d18e8426b6f9e1.