Start work on implementing kitty @ as a static binary using Go

tools/cmd/at/main.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+
+	"kitty/tools/cli"
+	"kitty/tools/crypto"
+)
+
+var encrypt_cmd = crypto.Encrypt_cmd
+
+func main() {
+	var root = cli.CreateCommand(&cobra.Command{
+		Use:   "[global options] command [command options] [command args]",
+		Short: "Control kitty remotely",
+		Long:  "Control kitty by sending it commands. Set the allow_remote_control option in kitty.conf or use a password, for this to work.",
+		Run: func(cmd *cobra.Command, args []string) {
+			use_password, _ := cmd.Flags().GetString("use-password")
+			fmt.Println("In global run, use-password:", use_password)
+		},
+	}, "kitty-at")
+	cli.PersistentChoices(root, "use-password", "If no password is available, kitty will usually just send the remote control command without a password. This option can be used to force it to always or never use the supplied password.", "if-available", "always", "never")
+	root.Annotations["options_title"] = "Global options"
+	cli.Init(root)
+	if err := root.Execute(); err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+}