Fix: no failure if no links supplied.

package.json

 {
 	"name": "broken-links-inspector",
-	"version": "1.3.1",
+	"version": "1.3.2",
 	"description": "Extract and recursively check all URLs reporting broken ones",
 	"main": "dist/inspector.js",
 	"types": "dist/inspector.d.ts",

src/index.ts

@@ -67,7 +67,7 @@ commander
 		})
 
 		if (urls.length == 0) {
-			process.exit(1)
+			process.exit(0)
 		}
 
 		const result = await inspector.processURL(urls, urls.length == 1 ? inspectObj.recursive as boolean : false)