feat(franken): Expose Caddy admin endpoints through haze proxy

Available through:

`ember  --addr http://<cloud-id>-franken-php.haze.test`

Signed-off-by: Louis Chmn <louis@chmn.me>

README.md

@@ -496,3 +496,14 @@ name = "groupfolders" # name of the preset
 apps = ["groupfolders"] # app to enable
 commands = ["occ groupfolders:create gf", "occ groupfolders:group 1 admin read write share delete"] # commands to run post-setup
 ```
+
+## FrankenPHP (experimental)
+
+You can have Nextcloud run on FrankenPHP.
+
+Caddy's admin metrics are then accessible through
+`http://<cloud-id>-franken-php.haze.test`. With ember you can run:
+
+```bash
+ember  --addr http://<cloud-id>-franken-php.haze.test
+```

nix/image/configs/supervisor/frankenphp.conf

@@ -1,5 +1,5 @@
 [program:frankenphp]
-environment = SERVER_NAME=":80"
+environment = SERVER_NAME=":80",CADDY_ADMIN=":2019"
 command = /bin/frankenphp run
 directory = /var/www/html
 user=haze

src/service.rs

@@ -236,6 +236,14 @@ impl ServiceTrait for FrankenPhp {
         "franken-php"
     }
 
+    fn container_name(&self, cloud_id: &str) -> Option<String> {
+        Some(cloud_id.to_string())
+    }
+
+    fn proxy_port(&self) -> u16 {
+        2019
+    }
+
     fn env(&self) -> &[&str] {
         &["FRANKENPHP=1"]
     }