Rewrite: rewrites env config repo and commits application cue files

We can build upon this tool to implement version to version migration logic.

Change-Id: I6066f565f118ca44ca3ce7a0ac7522258958cf25
diff --git a/core/installer/cmd/main.go b/core/installer/cmd/main.go
index 70e58de..1e4ec1d 100644
--- a/core/installer/cmd/main.go
+++ b/core/installer/cmd/main.go
@@ -26,6 +26,7 @@
 	rootCmd.AddCommand(appManagerCmd())
 	rootCmd.AddCommand(envManagerCmd())
 	rootCmd.AddCommand(welcomeCmd())
+	rootCmd.AddCommand(rewriteCmd())
 }
 
 func main() {