version flag

Signed-off-by: jolheiser <john.olheiser@gmail.com>

main.go

@@ -1,6 +1,9 @@
 package main
 
 import (
+	"flag"
+	"os"
+
 	"github.com/caarlos0/log"
 	"github.com/charmbracelet/lipgloss"
 )
@@ -8,6 +11,19 @@ import (
 var Version = "develop"
 
 func main() {
+	fs := flag.NewFlagSet("trending", flag.ExitOnError)
+	versionFlag := fs.Bool("version", false, "Show version and exit")
+	fs.BoolVar(versionFlag, "v", *versionFlag, "--version")
+	if err := fs.Parse(os.Args[1:]); err != nil {
+		log.WithError(err).Error("")
+		return
+	}
+
+	if *versionFlag {
+		log.Infof("trending (%s)", Version)
+		return
+	}
+
 	cfg, err := loadConfig()
 	if err != nil {
 		log.WithError(err).Error("could not load config")