Add git hooks and webhooks to template repositories; move to services (#8926)

Add git hooks and webhooks to template repositories; move to services (#8926)

* Add git hooks and webhooks to template options

Signed-off-by: jolheiser <john.olheiser@gmail.com>
* Update models/repo.go

Co-Authored-By: guillep2k <18600385+guillep2k@users.noreply.github.com>
* Add tooltip if the user can't edit git hooks

Signed-off-by: jolheiser <john.olheiser@gmail.com>
* Close repositories after copying git hooks

Signed-off-by: jolheiser <john.olheiser@gmail.com>
* Wording

Co-Authored-By: guillep2k <18600385+guillep2k@users.noreply.github.com>
* Restructure for services

Signed-off-by: jolheiser <john.olheiser@gmail.com>
* Return errors

Signed-off-by: jolheiser <john.olheiser@gmail.com>
* Move GenerateRepository to using a DBContext

Signed-off-by: jolheiser <john.olheiser@gmail.com>
* Wrap with models.WithTx

Signed-off-by: jolheiser <john.olheiser@gmail.com>
* Remove debug print

Signed-off-by: jolheiser <john.olheiser@gmail.com>
* Move if-error-delete-repo outside WithTx

Signed-off-by: jolheiser <john.olheiser@gmail.com>
* Return nil if no repo generated

Signed-off-by: jolheiser <john.olheiser@gmail.com>