Feat/add chain values converters

[aarmoa]

• Added new functions in all Market classes to convert values from extended chain format (the ones provided by chain streams) into human-readable format
• Updated proto definitions for Indexer node using version v1.12.79.1
• Updated market and tokens INI configuration files

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (ccffe81) 72.81% compared to head (7dc40e5) 72.97%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #292 +/- ## ========================================== + Coverage 72.81% 72.97% +0.15% ========================================== Files 48 48 Lines 3384 3404 +20 Branches 303 303 ========================================== + Hits 2464 2484 +20 Misses 839 839 Partials 81 81 ```

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