Clean up and refactor tasks

[l0r1s]

• Add default configuration to pallets, save having to copy paste everytime example

• Migrate to new frame umbrella crate here

[MRSKYWAY]

Do you want the default configuration to be added only to the core pallets or to all pallets in the repository? Also, should the default configuration values be based strictly on existing values in the subtensor pallet, or do you want me to propose new sensible defaults where missing?