Switch site playbook to use forgejo

roles/forgejo/templates/upstream_ci.json.j2

@@ -0,0 +1,39 @@
+{
+    "@id": "{{ stack_name }}_ci_upstream",
+{% if server_domain is not undefined and not none %}   
+    "match": [
+        {
+            "host": [
+{% if subdomain_ci_alias is not undefined and not none %}
+                "{{ subdomain_ci_alias }}.{{ server_domain }}"
+{% else %}
+                "{{ stack_name }}_ci.{{ server_domain }}"
+{% endif %}
+            ]
+        }
+    ],
+{% else %}
+    "match": [
+        {
+            "path": [
+{% if subdomain_ci_alias is not undefined and not none %}
+                "/{{ subdomain_ci_alias }}*"
+{% else %}
+                "/{{ stack_name }}_ci*"
+{% endif %}
+            ]
+        }
+    ],
+{% endif %}
+    "handle": [
+        {
+            "handler": "reverse_proxy",
+            "upstreams": [
+                {
+                    "dial": "{{ stack_name }}_wp-server:8000"
+                }
+            ]
+        }
+    ]
+}
+