feat: add option to overwrite git default branch

cookiecutter.json

@@ -10,5 +10,6 @@
   "molecule_scenario": "centos-7",
   "molecule_machine_size": "cx11",
   "git_server": "gitea.rknet.org:ansible",
+  "git_default_branch": "main",
   "license_year": "{% now 'Europe/Berlin', '%Y' %}"
 }

hooks/post_gen_project.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env sh
 
 if hash git 2>/dev/null; then
-    git init
+    git init -b {{ cookiecutter.git_default_branch }}
     git remote add origin gitea@{{ cookiecutter.git_server }}/xoxys.{{ cookiecutter.role_name }}.git
 fi