feat(gRPC): adding AvailabilityScore to gRPC

[izikdepth]

• Fixes Adding Availability Score to gRPC #907

[codecov]

Codecov Report

Merging #910 (8a8dc5b) into main (af79546) will decrease coverage by 0.03%.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #910      +/-   ##
==========================================
- Coverage   83.46%   83.43%   -0.03%     
==========================================
  Files         173      173              
  Lines        8815     8816       +1     
==========================================
- Hits         7357     7356       -1     
- Misses       1106     1107       +1     
- Partials      352      353       +1     

[kehiy]

@izikdepth Thanks!

[kehiy]

@b00f I think there is no need for account and vote to proto function to be methods of blockchain server!? they don't use any part of it.

[b00f]

@kehiy let's keep all the same. You are write, but that way we have harmony in our functions.

[kehiy]

@b00f we can merge it.

[b00f]

@kehiy Please merge it is tests are passed. Then we can integrate it with our Bot

[kehiy]

@izikdepth run make proto then push your changes.
proto files dose not re generated.

[b00f]

@izikdepth Thanks