chore: add missing godocs

dorkgen.go

@@ -5,10 +5,12 @@ import (
 	"github.com/sundowndev/dorkgen/googlesearch"
 )
 
+// NewGoogleSearch returns a new instance of GoogleSearch
 func NewGoogleSearch() *googlesearch.GoogleSearch {
 	return googlesearch.New()
 }
 
+// NewDuckDuckGo returns a new instance of DuckDuckGo
 func NewDuckDuckGo() *duckduckgo.DuckDuckGo {
 	return duckduckgo.New()
 }