tweak golangci-lint conf

[libotony]

Description

This PR implicitly declared a list of initial linters for golangci-lint, copied from go-ethereum. Requires #662

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• New and existing E2E tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have not added any vulnerable dependencies to my code

[libotony]

@darrenvechain please take a look next step would be lint test files as well

[codecov-commenter]

Codecov Report

Attention: 13 lines in your changes are missing coverage. Please review.

Comparison is base (a66f5ff) 51.99% compared to head (167d73f) 51.98%.

Files	Patch %	Lines
api/events/types.go	0.00%	9 Missing ⚠️
runtime/runtime.go	33.33%	2 Missing ⚠️
bft/engine.go	0.00%	1 Missing ⚠️
consensus/validator.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #663      +/-   ##
==========================================
- Coverage   51.99%   51.98%   -0.02%     
==========================================
  Files         156      156              
  Lines       17239    17218      -21     
==========================================
- Hits         8963     8950      -13     
+ Misses       7453     7445       -8     
  Partials      823      823              

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