fix: remove todo placeholders from CLI help text (#16)

* Initial plan

* fix: remove TODO items from CLI help text

- Replace TODO in root command with proper short/long descriptions
- Replace TODO in check command with proper short/long descriptions
- All descriptions based on README content
- Tests passing, code formatted

Co-authored-by: EndlessTrax <17141891+EndlessTrax@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: EndlessTrax <17141891+EndlessTrax@users.noreply.github.com>

Author: Copilot

cmd/check.go

@@ -63,8 +63,8 @@ func init() {
 
 var checkCmd = &cobra.Command{
 	Use:   "check",
-	Short: "TODO: Add a short description here",
-	Long:  `TODO: Add a longer description here`,
+	Short: "Check links on a URL or sitemap",
+	Long:  `Check all links on a webpage or sitemap for broken links. Validates HTTP status codes and displays results with color-coded output.`,
 	Run: func(cmd *cobra.Command, args []string) {
 		_ = cmd.Help()
 	},

cmd/root.go

@@ -13,8 +13,8 @@ var Version = "0.1.0"
 var rootCmd = &cobra.Command{
 	Use:     "brokli",
 	Version: Version,
-	Short:   "TODO: Add a short description here",
-	Long:    `TODO: Add a longer description here`,
+	Short:   "A fast, concurrent broken link checker for websites and sitemaps",
+	Long:    `Brokli is a CLI tool that helps developers validate all links on a page or sitemap during development. It checks HTTP status codes concurrently and displays results with color-coded output, making it easy to spot broken links before deployment.`,
 	Run: func(cmd *cobra.Command, args []string) {
 		// If no subcommand is provided, show help
 		_ = cmd.Help()