Shrink NetBox logo on docs main page

docs/index.md

@@ -1,4 +1,4 @@
-![NetBox](netbox_logo.svg "NetBox logo")
+![NetBox](netbox_logo.svg "NetBox logo"){style="height: 100px; margin-bottom: 3em"}
 
 # What is NetBox?
 

mkdocs.yml

@@ -13,6 +13,7 @@ extra_css:
     - extra.css
 markdown_extensions:
     - admonition
+    - attr_list
     - markdown_include.include:
         headingOffset: 1
     - pymdownx.emoji: