move models folder into commands folder

pkg/commands/models/stash_entry.go

@@ -0,0 +1,21 @@
+package models
+
+import "fmt"
+
+// StashEntry : A git stash entry
+type StashEntry struct {
+	Index int
+	Name  string
+}
+
+func (s *StashEntry) RefName() string {
+	return fmt.Sprintf("stash@{%d}", s.Index)
+}
+
+func (s *StashEntry) ID() string {
+	return s.RefName()
+}
+
+func (s *StashEntry) Description() string {
+	return s.RefName() + ": " + s.Name
+}