feat: Modify link checker to use first argument instead of -url flag

main.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"flag"
 	"fmt"
 	"log"
 	"net/url"
@@ -11,24 +10,22 @@ import (
 )
 
 func main() {
-	targetURL := flag.String("url", "", "URL to check for broken links")
-	flag.Parse()
-
-	if *targetURL == "" {
-		log.Fatal("Please provide a URL using the -url flag")
+	if len(os.Args) < 2 {
+		log.Fatal("Please provide a URL as an argument")
 	}
+	targetURL := os.Args[1]
 
 	// Start time for the filename
 	startTime := time.Now()
 
 	checker := NewLinkChecker()
-	brokenLinks, err := checker.CheckLinks(*targetURL)
+	brokenLinks, err := checker.CheckLinks(targetURL)
 	if err != nil {
 		log.Fatal(err)
 	}
 
 	// Extract domain from URL
-	parsedURL, err := url.Parse(*targetURL)
+	parsedURL, err := url.Parse(targetURL)
 	if err != nil {
 		log.Fatal(err)
 	}