[FR] - Change representation of cost models in the code to JSON string

[carbolymer]

Internal/External
Internal

Area
Other Any other topic (Delegation, Ranking, ...).

Describe the feature you'd like
Currently cost models are represented as an array with hard to understand values. To make maintenance easier, they should be stored as JSON string in haskell (quasiquoted preferably). The cost model should be also linked to the original location in plutus repository in the code comment: https://github.com/IntersectMBO/plutus/blob/master/plutus-core/cost-model/data/builtinCostModel.json

A validation logic implemented in cardano-testnet would be nice to have: https://github.com/IntersectMBO/cardano-node/blob/cd3c037fa6d2f836794012f806cd32edfcf31763/cardano-testnet/src/Testnet/Defaults.hs#L88

Describe alternatives you've considered
n/a

Additional context / screenshots
n/a

[Jimbo4350]

haskell (quasiquoted preferably)

We could also store it as a list we will mconcat:

mconcat [ "parameterName: ", show @Int 123456
        , ...
        ]