Add new find-matching-framework command

to be used here:
https://github.com/kairos-io/enki/pull/2/files#diff-73afecb49f97526777fbdcbb5fe33b639ff0a1d84757414b30e6efeeaedbe72fR89

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

cmd/find-matching-framework.go

@@ -0,0 +1,42 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/kairos-io/enki/pkg/action"
+	"github.com/spf13/cobra"
+)
+
+// NewFindMatchingFrameworkCmd returns a new instance of the build-iso subcommand and appends it to
+// the root command.
+func NewFindMatchingFrameworkCmd() *cobra.Command {
+	c := &cobra.Command{
+		Use:   "find-matching-framework",
+		Short: "Finds the framework image that matches the current OS best",
+		Long: "Finds the framework image that matches the current OS best\n" +
+			"This is best effort and might return a framework image that doesn't work.\n" +
+			"It is expected to work with the official Kairos flavors.",
+		Args: cobra.ExactArgs(0),
+		PreRunE: func(cmd *cobra.Command, args []string) error {
+			//return CheckRoot() // TODO: Do we need this?
+			return nil
+		},
+		RunE: func(cmd *cobra.Command, args []string) error {
+			a := action.NewFindMatchingFrameworkAction()
+			result, err := a.Run()
+			if err != nil {
+				return err
+			}
+
+			fmt.Println(result)
+
+			return nil
+		},
+	}
+
+	return c
+}
+
+func init() {
+	rootCmd.AddCommand(NewFindMatchingFrameworkCmd())
+}

pkg/action/find-matching-framework.go

@@ -0,0 +1,11 @@
+package action
+
+type FindMatchingFrameworkAction struct{}
+
+func NewFindMatchingFrameworkAction() *FindMatchingFrameworkAction {
+	return &FindMatchingFrameworkAction{}
+}
+
+func (a *FindMatchingFrameworkAction) Run() (framework string, err error) {
+	return
+}