chore: add esc-backbone repo

[almadigabor]

Description

Based on this issue https://github.com/eclipse-tractusx/sig-infra/issues/393. Creating new esc-backbone repo so the team can make their initial contribution to the project.

Pre-review checks

Please ensure to do as many of the following checks as possible, before asking for committer review:

• [x] DEPENDENCIES are up-to-date. Dash license tool. Committers can open IP issues for restricted libs.
• [x] Copyright and license header are present on all affected files

[almadigabor]

Hey @Siegfriedk please take a look and confirm.

[github-actions[bot]]

Diff for 76a3c1a249e1616f9e69b97410c7290746aab592:

```diff Printing local diff for configuration at '/home/runner/work/.eclipsefdn/.eclipsefdn/otterdog-configs/otterdog.json' Actions are indicated with the following symbols: + create ! modify ! forced update - delete Organization eclipse-tractusx[id=eclipse-tractusx] there have been 41 validation infos, enable verbose output with '-v' to to display them. + add repository[name="esc-backbone"] { + allow_auto_merge = false + allow_forking = true + allow_merge_commit = true + allow_rebase_merge = true + allow_squash_merge = true + allow_update_branch = false + archived = false + default_branch = "main" + delete_branch_on_merge = false + dependabot_alerts_enabled = true + dependabot_security_updates_enabled = false + description = null + gh_pages_build_type = "legacy" + gh_pages_source_branch = "gh-pages" + gh_pages_source_path = "/" + has_discussions = false + has_issues = true + has_projects = true + has_wiki = true + homepage = null + is_template = false + merge_commit_message = "PR_TITLE" + merge_commit_title = "MERGE_MESSAGE" + name = "esc-backbone" + private = false + secret_scanning = "enabled" + secret_scanning_push_protection = "enabled" + squash_merge_commit_message = "COMMIT_MESSAGES" + squash_merge_commit_title = "COMMIT_OR_PR_TITLE" + template_repository = null + topics = [] + web_commit_signoff_required = false + } + add repo_workflow_settings[repository="esc-backbone"] { + actions_can_approve_pull_request_reviews = true + allowed_actions = "all" + default_workflow_permissions = "write" + enabled = true + } + add environment[name="github-pages", repository="esc-backbone"] { + branch_policies = [ + "gh-pages" + ], + deployment_branch_policy = "selected" + name = "github-pages" + reviewers = [] + wait_timer = "0" + } Plan: 3 to add, 0 to change, 0 to delete. ```

Canonical Diff for 76a3c1a249e1616f9e69b97410c7290746aab592:

```diff Showing diff to a canonical version of the configuration at '/home/runner/work/.eclipsefdn/.eclipsefdn/otterdog-configs/otterdog.json' Organization eclipse-tractusx[id=eclipse-tractusx] ```

[almadigabor]

Hey @fredg02, @netomi! Can you please merge this PR?

[fredg02]

Change has been applied.