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

source/plugins/contributors/examples.yml

@@ -0,0 +1,27 @@
+- name: Contributors with contributions count
+  uses: lowlighter/metrics@latest
+  with:
+    filename: metrics.plugin.contributors.contributions.svg
+    token: ${{ secrets.METRICS_TOKEN }}
+    base: ""
+    template: repository
+    repo: metrics
+    plugin_contributors: yes
+    plugin_contributors_contributions: yes
+
+- name: Contributors by categories
+  uses: lowlighter/metrics@latest
+  with:
+    filename: metrics.plugin.contributors.categories.svg
+    token: ${{ secrets.METRICS_TOKEN }}
+    base: ""
+    template: repository
+    repo: metrics
+    plugin_contributors: yes
+    plugin_contributors_sections: categories
+    plugin_contributors_categories: |
+      {
+        "🧩 Plugins / 🖼️ templates":["source/plugins/**", "source/templates/**"],
+        "📚 Documentation":["README.md", "**/README.md", "**/metadata.yml"],
+        "💻 Code (other)":["source/**", "Dockerfile"]
+      }