introduce ScanResult interface and generic NewModuleResult constructor
for compile-time type safety when creating module results.
- add pkg/scan/result.go with ScanResult interface and named slice types
- add typed shodanMetadata struct to replace map[string]interface{}
- refactor supabase.go with typed response structs and json.RawMessage
- add ResultType() methods to all scan result types
- update sif.go to use NewModuleResult generic constructor
this provides type safety without breaking JSON serialization.
replace errors.new(fmt.sprintf()) with fmt.errorf, use strings.builder
instead of string concatenation in loop, fix defer in loop issue,
preallocate slices where size is estimable
- replace proprietary license with bsd 3-clause
- update all go file headers with new retro terminal style
- add header-check github action to enforce license headers
- completely rewrite readme to be modern, sleek, and lowercase
- fix broken badges
