docs: migrate to v2 istio-ztunnel (#955)

* docs: migrate to v2 istio-ztunnel

* docs: fix parameters

* docs: update formatting

Co-authored-by: Copilot <copilot@github.com>

* docs: update port text

* docs: apply suggestions from code review

Co-authored-by: Alejandro Santisteban <alex.santisteban@canonical.com>

---------

Co-authored-by: Copilot <copilot@github.com>
Co-authored-by: Alejandro Santisteban <alex.santisteban@canonical.com>

Author: 3 people

oci/istio-ztunnel/documentation.yaml

@@ -1,38 +1,26 @@
-version: 1
-# --- OVERVIEW INFORMATION ---
+version: 2
 application: ztunnel
-description: >
+description: |
   Ztunnel is a purpose built implementation of the node proxy 
   to be used as the ztunnel component of Istio's ambient mesh.
-  Read more on the [project repo](https://github.com/istio/ztunnel).
+website: https://github.com/istio/ztunnel
+issues: https://github.com/canonical/istio-ztunnel-rock/issues
+source-code: https://github.com/canonical/istio-ztunnel-rock
 
-# --- USAGE INFORMATION ---
 docker:
-  parameters:
-    - -p 15020:15020
-  access: Access your Ztunnel instance at `http://localhost:15020`.
+  parameters: >-
+    -p 15020:15020
+  run_conclusion: |
+    Access the Ztunnel instance at `http://localhost:15020`.
 
-parameters:
-  - type: -e
-    value: 'TZ=UTC'
+config:
+  '`TZ`':
+    type: env
     description: Timezone setting for the container.
-  - type: -p
-    value: '15020:15020'
-    description: Port mapping for the Ztunnel process.
-  - type: CMD
-    value: "ztunnel proxy"
-    description: >
-      Launch Ztunnel in proxy mode (default).
-
-debug:
-  text: |
-    ### Debugging
-    
-    To debug the container:
-    ```bash
-    docker exec -it ztunnel-container pebble logs -f ztunnel
-    ```
-    To get an interactive shell:
-    ```bash
-    docker exec -it ztunnel-container /bin/bash
-    ```
+    default: 'UTC'
+  '`-p <port>:15020`':
+    type: port
+    description: Expose the container's port `15020` on the host's `<port>`.
+  '`ztunnel proxy`':
+    type: app
+    description: Launch ztunnel in proxy mode.