Make anchor for examples

>We had a conversation with @tadatuta about change context in cases like this and we agreed that it is better not to change the context and use content() mode for it -> put link inside without applyCtx

@tavriaforever @tadatuta 
Could ypu explain why we should add one more dom-node instead of applyCtx?
I remember that we wanted use mixes - https://github.com/bem/bem-site-engine/pull/38#issuecomment-58022883