feat(commands): more commands (#30)

- I wrote a scripts to copy and generate all commands missing in iris
from fig repo: https://github.com/withfig/autocomplete
- Add a new script to generate commands docs about which commands
currently are inside commands folder
377d4aac663590e504fe39a92eb4dac4cbd333b2
- Add more icons e64d4e70a1db61e62053460a882e093bd6373ab1

commands/sys/visudo.go

@@ -0,0 +1,23 @@
+package sys
+
+import (
+	"github.com/versenilvis/iris/commands/core"
+)
+
+func init() {
+	core.Register(&core.Spec{
+		Name:        "visudo",
+		Description: "Checking existing sudoers file for syntax errors",
+		Options: []core.Option{
+			{Name: "--check", Description: "Checking existing sudoers file for syntax errors"},
+			{Name: "--file", Description: "Set an alternative sudoers file location"},
+			{Name: "--help", Description: "Display a short help message"},
+			{Name: "--quiet", Description: "Enable quiet mode (syntax error not printed)"},
+			{Name: "--strict", Description: "Enable strict checking of the sudoers file"},
+			{Name: "--version", Description: "Display version and exit"},
+			{Name: "--export", Description: "Export JSON and write it to output_file"},
+			{Name: "--perms", Description: "Enforce default mode for the sudoers file"},
+			{Name: "--owner", Description: "Enforce the default ownership for the sudoers file"},
+		},
+	})
+}