docs: changes from johannes

WIP

docs/site/community/services/index.md

@@ -0,0 +1,27 @@
+Services provided by the community
+
+!!! tip "Add your own!"
+
+    Have you built a service or a tool for? Open a PR adding a link to this page!
+
+<div class="grid cards" markdown>
+
+-  [Your Service Foo](https://example.com) :octicons-link-external-16:
+
+    ---
+
+    Does this and that
+
+-  [Your Service Foo](https://example.com) :octicons-link-external-16:
+
+    ---
+
+    Does this and that
+
+-  [Your Service Foo](https://example.com) :octicons-link-external-16:
+
+    ---
+
+    Does this and that
+
+</div>