scaffolding: add templates and functionality for backend scaffolding

[raulmyocu]

Description

• Adds a new scaffold functionality for backend components:
  • Creates service and service test templates
  • Creates module and module test templates
    • Creates an associated service if needed
    • Creates api .proto file with a sample api
  • Adds new components into backend/main.go
• Refactors existing workflows in order to keep an internal state from prompting values -> post processing

Testing Performed

Manual testing

• make scaffold-service
• make scaffold-api

GitHub Issue

TODOs

[github-actions]

This PR has been marked as stale after 7 or more days of inactivity. Please have a maintainer add the on hold label if this PR should remain open. If there is no further activity or the on hold label is not added, this PR will be closed in 3 days.

[github-actions]

This PR has been marked as stale after 7 or more days of inactivity. Please have a maintainer add the on hold label if this PR should remain open. If there is no further activity or the on hold label is not added, this PR will be closed in 3 days.

[Copilot]

Copilot reviewed 14 out of 15 changed files in this pull request and generated 2 comments.

Files not reviewed (1)

• Makefile: Language not supported

[Copilot]

The slices.Insert function is called with an extra argument; the standard library version expects only one element to insert. Consider removing the extra "" argument so that the function call matches the expected signature.

Suggested change

	*lines = slices.Insert(*lines, i, registrationLine, "")
	*lines = slices.Insert(*lines, i, registrationLine)

[Copilot]

The check is using 'r == nil' instead of verifying if 'matches' is nil. Update the condition to 'if matches == nil || len(matches) != 4' to correctly validate the regex output.

Suggested change

	if r == nil || len(matches) != 4 {
	log.Fatal(fmt.Errorf("unable to determine git upstream from %s", urlStr))
	if matches == nil || len(matches) != 4 {