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/where.go

@@ -0,0 +1,20 @@
+package sys
+
+import (
+	"github.com/versenilvis/iris/commands/core"
+)
+
+func init() {
+	core.Register(&core.Spec{
+		Name:        "where",
+		Description: "For each name, indicate how it should be interpreted",
+		Options: []core.Option{
+			{Name: "-w", Description: "For each name, print 'name: word', where 'word' is the kind of command"},
+			{Name: "-p", Description: "Do a path search for the name, even if it's an alias/function/builtin"},
+			{Name: "-m", Description: "The arguments are taken as patterns (pattern characters must be quoted)"},
+			{Name: "-s", Description: "If the pathname contains symlinks, print the symlink-free name as well"},
+			{Name: "-S", Description: "Print intermediate symlinks and the resolved name"},
+			{Name: "-x", Description: "Expand tabs when outputting shell function"},
+		},
+	})
+}