docs(plugins/licenses, plugins/stars): update to new doc format [skip ci]

source/plugins/isocalendar/README.md

@@ -43,6 +43,10 @@
   <tr>
     <td nowrap="nowrap"><code>plugin_isocalendar_duration</code></td>
     <td rowspan="2"><p>Time window</p>
+<ul>
+<li><code>half-year</code>: 180 days</li>
+<li><code>full-year</code>: 1 year</li>
+</ul>
 <img width="900" height="1" alt=""></td>
   </tr>
   <tr>

source/plugins/isocalendar/metadata.yml

@@ -17,7 +17,10 @@ inputs:
     default: no
 
   plugin_isocalendar_duration:
-    description: Time window
+    description: |
+      Time window
+      - `half-year`: 180 days
+      - `full-year`: 1 year
     type: string
     default: half-year
     values: