Adding back missing options to app.example.ini (#29511)

In the refactoring of the configuration file #15807,
some lines were accidentally deleted:

DEFAULT_CLOSE_ISSUES_VIA_COMMITS_IN_ANY_BRANCH = false
ENABLE_PUSH_CREATE_USER = false
ENABLE_PUSH_CREATE_ORG = false

Fix #29510

---------

Co-authored-by: techknowlogick <matti@mdranta.net>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

custom/conf/app.example.ini

@@ -956,6 +956,12 @@ LEVEL = Info
 ;GO_GET_CLONE_URL_PROTOCOL = https
 ;;
 ;; Close issues as long as a commit on any branch marks it as fixed
+;DEFAULT_CLOSE_ISSUES_VIA_COMMITS_IN_ANY_BRANCH = false
+;;
+;; Allow users to push local repositories to Gitea and have them automatically created for a user or an org
+;ENABLE_PUSH_CREATE_USER = false
+;ENABLE_PUSH_CREATE_ORG = false
+;;
 ;; Comma separated list of globally disabled repo units. Allowed values: repo.issues, repo.ext_issues, repo.pulls, repo.wiki, repo.ext_wiki, repo.projects, repo.packages, repo.actions.
 ;DISABLED_REPO_UNITS =
 ;;