[mod] role:espe_backend:git source

roles/espe_backend/defaults/main.json

@@ -1,7 +1,8 @@
 {
 	"var_espe_backend_directory": "/opt/espe",
 	"var_espe_backend_user": "espe",
-	"var_espe_backend_git_reference": "master",
+	"var_espe_backend_git_repository_url": "https://forgejo.linke.sx/espe/backend",
+	"var_espe_backend_git_reference": "main",
 	"var_espe_backend_verbosity": "notice",
 	"var_espe_backend_verification_secret": "REPLACE_ME",
 	"var_espe_backend_port": 4916,

roles/espe_backend/tasks/main.json

@@ -26,7 +26,7 @@
 		"become": true,
 		"become_user": "{{var_espe_backend_user}}",
 		"ansible.builtin.git": {
-			"repo": "https://gitlab.die-linke.cloud/espe/backend",
+			"repo": "{{var_epse_backend_git_repository_url}}",
 			"version": "{{var_espe_backend_git_reference}}",
 			"dest": "/tmp/espe-backend-repo"
 		}

roles/espe_backend/vardef.json

@@ -7,6 +7,10 @@
 		"type": "string",
 		"mandatory": false
 	},
+	"git_repository_url": {
+		"type": "string",
+		"mandatory": false
+	},
 	"git_reference": {
 		"type": "string",
 		"mandatory": false