refactor: list usecase, add generic methods

[1-leo]

#175

User Story

As a dev i want to recive data as fast as possible for every list type
Acceptance Criteria

stream interface
generic for all list types
get list by name (if possible)

Alternatives Considered
Additional Context

right now it takes some time to get a list if there is a failing relay in the list.

---

changes:

new Methods:

• getSingleNip51List()
• addElementToList()
• removeElementFromList()
• getSetByName()
• getPublicSets()
• addElementToSet()
• removeElementFromSet()
• setCompleteSet()
• deleteSet()

deprecated Methods:

• getPublicNip51RelaySets()
• broadcastAddNip51SetRelay()
• broadcastRemoveNip51SetRelay()
• broadcastAddNip51ListRelay()
• broadcastRemoveNip51Relay()
• broadcastAddNip51ListElement()
• broadcastRemoveNip51ListElement()
• getSinglePublicNip51RelaySet()

[codecov]

Codecov Report

❌ Patch coverage is 87.30964% with 25 lines in your changes missing coverage. Please review.
✅ Project coverage is 70.83%. Comparing base (55fd631) to head (28657a4).
⚠️ Report is 43 commits behind head on master.

Files with missing lines	Patch %	Lines
...ges/ndk/lib/domain_layer/usecases/lists/lists.dart	87.57%	21 Missing ⚠️
...ges/ndk/lib/domain_layer/entities/nip_51_list.dart	85.71%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #176      +/-   ##
==========================================
- Coverage   71.06%   70.83%   -0.23%     
==========================================
  Files         136      136              
  Lines        4766     5048     +282     
==========================================
+ Hits         3387     3576     +189     
- Misses       1379     1472      +93     

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[frnandu]

tests would be nice

[frnandu]

maybe worth to rename the PR to a better title and add small description of changes for the release changelog

[1-leo]

• check signer param (we dont need it with the accounts usecase)