* showing help by basic call

* autocompletion for exec

cmd/root.go

@@ -14,15 +14,15 @@ import (
 	"os"
 )
 
+var validArgs = []string{"list", "replace", "add", "delete", "exec"}
+
 var rootCmd = &cobra.Command{
 	Use:   "ssh-hub",
 	Short: "ssh-hub is a simple SSH manager. Storing all your ssh commands and managing them",
 	Long: "ssh-hub was created in order to automatically manage ssh commands and different Groups.\n " +
 		"\tCreate groups based on projects, environments etc and add there your ssh commands.\n " +
 		"\tWe will carefully manage all known sessions and groups.",
-	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println("Welcome to ssh-hub!")
-	},
+	ValidArgs: validArgs,
 }
 
 func Execute() {
@@ -72,13 +72,8 @@ ssh-hub
 ├── ssh          - Execute an SSH command (with autocomplete)
 ├── add          - Add a new command or group
 │   ├── command  - Save an SSH command
-│   └── group    - Create a group of commands
 ├── exec         - Execute a saved command or group
-├── remove       - Remove a command or group
-├── groups       - Manage groups
-│   ├── add      - Add a command to a group
-│   ├── remove   - Remove a command from a group
-│   └── list     - List commands in a group
+├── delete       - Remove a command or group
 ├── autocomplete - Enable or generate shell autocompletion
 └── help         - Display help information for commands
 */