docs: add social icons (#3038)

Author: Kludex

mkdocs.yml

@@ -62,6 +62,17 @@ extra:
   analytics:
     provider: google
     property: G-Z37GTYBR6M
+  social:
+    - icon: fontawesome/brands/github-alt
+      link: https://github.com/Kludex/starlette
+    - icon: fontawesome/brands/discord
+      link: https://discord.com/invite/RxKUF5JuHs
+    - icon: fontawesome/brands/twitter
+      link: https://x.com/marcelotryle
+    - icon: fontawesome/brands/linkedin
+      link: https://www.linkedin.com/in/marcelotryle
+    - icon: fontawesome/solid/globe
+      link: https://fastapiexpert.com
 
 markdown_extensions:
   - attr_list