Adds generic binary heap and d-ary heap

[Florimond]

Adds generic binary heap and d-ary heap. After a quick look into the what's already provided in this project, I didn't find those more basic datastructures. I thought they could be a nice addition to the more advanced ones proposed here.

[aviary3-wk]

Security Insights

No security relevant content was detected by automated scans.

Action Items

• Review PR for security impact; comment "security review required" if needed or unsure

• Verify aviary.yaml coverage of security relevant code

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[Florimond]

@dustinhiatt-wf Thoughts?