chore: Add components package marker file

- Create components.go to ensure proper Go package recognition
- Update .gitignore to exclude all Go files except components.go

components/components.go

@@ -0,0 +1,3 @@
+// Package components contains the UI components for the GoMFT application.
+// This file serves as a marker for the components package to ensure it's properly recognized by Go.
+package components