docs: updated workflows examples and options descriptions (#772) [skip ci]

source/plugins/discussions/README.md

@@ -9,13 +9,35 @@ The *discussions* plugin displays your GitHub discussions metrics.
   </td>
 </table>
 
+#### ➡️ Available options
+
+<!--options-->
+| Option | Type *(format)* **[default]** *{allowed values}* | Description |
+| ------ | -------------------------------- | ----------- |
+| `plugin_discussions` | `boolean` **[no]** | GitHub discussions metrics |
+| `plugin_discussions_categories` ✨ | `boolean` **[yes]** | Display discussion categories |
+| `plugin_discussions_categories_limit` ✨ | `number` **[0]** | Number of discussion categories to display |
+
+
+Legend for option icons:
+* 🔐 Value should be stored in repository secrets
+* ✨ New feature currently in testing on `master`/`main`
+<!--/options-->
+
+*[→ Full specification](metadata.yml)*
+
 #### ℹ️ Examples workflows
 
-[➡️ Available options for this plugin](metadata.yml)
-
+<!--examples-->
 ```yaml
-- uses: lowlighter/metrics@latest
-  with:
-    # ... other options
-    plugin_discussions: yes
-```
+name: GitHub Discussions
+uses: lowlighter/metrics@latest
+with:
+  filename: metrics.plugin.discussions.svg
+  token: ${{ secrets.METRICS_TOKEN }}
+  base: ''
+  plugin_discussions: 'yes'
+  plugin_discussions_categories_limit: 8
+
+```
+<!--/examples-->

source/plugins/discussions/examples.yml

@@ -0,0 +1,8 @@
+- name: GitHub Discussions
+  uses: lowlighter/metrics@latest
+  with:
+    filename: metrics.plugin.discussions.svg
+    token: ${{ secrets.METRICS_TOKEN }}
+    base: ""
+    plugin_discussions: yes
+    plugin_discussions_categories_limit: 8