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/ops/tfenv.go

@@ -0,0 +1,26 @@
+package ops
+
+import (
+	"github.com/versenilvis/iris/commands/core"
+)
+
+func init() {
+	core.Register(&core.Spec{
+		Name:        "tfenv",
+		Description: "Version",
+		Subcommands: []core.Subcommand{
+			{Name: "install", Description: "Install a specific version of Terraform"},
+			{Name: "version", Description: "Possible Terraform Version"},
+			{Name: "use", Description: "Switch to a version to use"},
+			{Name: "uninstall", Description: "Uninstall a specific version of Terraform"},
+			{Name: "list", Description: "List all installed versions"},
+			{Name: "list-remote", Description: "List all installable versions"},
+			{Name: "version-name", Description: "Print current version"},
+			{Name: "init", Description: "Update environment to use tfenv correctly"},
+		},
+		Options: []core.Option{
+			{Name: "-v", Description: "View your current tfenv version"},
+			{Name: "--help", Description: "View commands"},
+		},
+	})
+}