refactor: simplify modular architecture

[hasundue]

• simplify nodes.ts
• nodes: make aborter hard-private
• further simplification of nodes
• relays: migrating to new APIs
• refactoring relays
• refactor nip01 relays
• simplification
• wip
• update core/clients.ts
• implement addModule in nodes
• core modules to pass checks
• fix nodes for nip01 relays to pass tests
• fix NostrNodeModule to pass Relay or Client
• update nip01 clients to pass test
• fix core/relays for lib/relays to pass test
• update nip42 relays to pass test

[codecov]

Codecov Report

Attention: 27 lines in your changes are missing coverage. Please review.

Comparison is base (2e63a5a) 87.09% compared to head (5897e1b) 85.22%.

Files	Patch %	Lines
nips/01/relays.ts	71.42%	12 Missing ⚠️
nips/01/clients.ts	73.33%	8 Missing ⚠️
core/nodes.ts	80.00%	5 Missing ⚠️
core/relays.ts	88.23%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #27      +/-   ##
==========================================
- Coverage   87.09%   85.22%   -1.87%     
==========================================
  Files          19       19              
  Lines         744      677      -67     
  Branches       49       43       -6     
==========================================
- Hits          648      577      -71     
- Misses         95       99       +4     
  Partials        1        1              

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