feat(config): convert to ts (#4299)

lib/config/app-strings.ts

lib/config/cli.ts

lib/config/common.ts

lib/config/decrypt.ts

lib/config/defaults.ts

lib/config/definitions.ts

lib/config/env.ts

lib/config/file.ts

lib/config/index.ts

lib/config/massage.ts

lib/config/migrate-validate.ts

lib/config/migration.ts

lib/config/presets.ts

lib/config/util.ts

lib/config/validation-helpers/managers.ts

lib/config/validation.ts

lib/types.d.ts

lib/util/package-rules.ts

package.json

test/config/__snapshots__/decrypt.spec.ts.snap