feat: mainnet config and genesis files

[themantre]

Description

This PR, prepared by Pactus, is to be launched on January 24th. It adds a Genesis file and updates the configs for the Mainnet.

The Mainnet announcement: https://pactus.org/2024/01/08/mainnet-announcement.html

[codecov]

Codecov Report

Merging #951 (595dd20) into main (80e1935) will decrease coverage by 0.18%.
The diff coverage is 65.45%.

❗ Current head 595dd20 differs from pull request most recent head 09f7a47. Consider uploading reports for the commit 09f7a47 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #951      +/-   ##
==========================================
- Coverage   81.53%   81.36%   -0.18%     
==========================================
  Files         172      173       +1     
  Lines        9159     9185      +26     
==========================================
+ Hits         7468     7473       +5     
- Misses       1336     1352      +16     
- Partials      355      360       +5     

[b00f]

Ports for the Mainnet and Testnnet are discussed here: #593