What

• detect .config/prisma.* config files
• read static schema from Prisma config relative to the config file
• mark configured schema files/folders used and credit generator providers from them

Validation

• cargo fmt --all -- --check
• cargo test -p fallow-core plugins::prisma -- --nocapture
• cargo test -p fallow-core prisma_ -- --nocapture
• cargo clippy -p fallow-core --tests -- -D warnings