Added cli for general usage of Vikunja (#66)

pkg/cmd/cmd.go

@@ -0,0 +1,54 @@
+//  Vikunja is a todo-list application to facilitate your life.
+//  Copyright 2019 Vikunja and contributors. All rights reserved.
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package cmd
+
+import (
+	"code.vikunja.io/api/pkg/config"
+	"fmt"
+	"github.com/spf13/cobra"
+	"os"
+)
+
+// Version sets the version to be printed to the user. Gets overwritten by "make release" or "make build" with last git commit or tag.
+var Version = "0.1"
+
+func init() {
+	cobra.OnInitialize(config.InitConfig)
+}
+
+var rootCmd = &cobra.Command{
+	Use:   "vikunja",
+	Short: "Vikunja is the to-do app to organize your life.",
+	Long: `Vikunja (/vɪˈkuːnjə/)
+The to-do app to organize your life.
+
+Also one of the two wild South American camelids which live in the high
+alpine areas of the Andes and a relative of the llama.
+
+Vikunja is a self-hosted To-Do list application with a web app and mobile apps for all platforms. It is licensed under the GPLv3.
+
+Find more info at vikunja.io.`,
+	Run: webCmd.Run,
+}
+
+// Execute starts the application
+func Execute() {
+	if err := rootCmd.Execute(); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}