Add managed Gitea updates and server installer

main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"context"
 	"errors"
+	"flag"
 	"fmt"
 	"log"
 	"net/http"
@@ -18,6 +19,13 @@ const defaultDatabasePath = "/var/lib/proxmox-dashboard/dashboard.db"
 var version = "dev"
 
 func main() {
+	showVersion := flag.Bool("version", false, "show version")
+	flag.Parse()
+	if *showVersion {
+		fmt.Println(version)
+		return
+	}
+
 	address := os.Getenv("DASHBOARD_ADDR")
 	if address == "" {
 		address = defaultAddress