Simplification of resources

[antho1404]

Some resources like services contain extra data that are not necessary to store directly on-chain.

List of things to remove:

• name
• description
• repository
• sid
• key (in some cases might be removed too)

This could be done in 2 different steps:

• [ ] Remove from the hash calculation
• [ ] Remove from the data (and find a way to store it somewhere else like IPFS for example if needed)

Example of an update to do https://github.com/mesg-foundation/engine/compare/refacto/simplification-resource

[NicolasMahe]

This makes a lot of sense when we have a website to add those data after a service is published. Related to: https://github.com/orgs/mesg-foundation/projects/25#card-34523095