Tweak docs model summaries / pages names and layout

docs/models.md

@@ -1,4 +1,4 @@
-# Model Architectures
+# Model Summaries
 
 The model architectures included come from a wide variety of sources. Sources, including papers, original impl ("reference code") that I rewrote / adapted, and PyTorch impl that I leveraged directly ("code") are listed below.
 

docs/models/.pages

@@ -0,0 +1 @@
+title: Model Pages

mkdocs.yml

@@ -5,13 +5,13 @@ repo_url: 'https://github.com/rwightman/pytorch-image-models'
 nav:
   - index.md
   - models.md
+  - ... | models/*.md
   - results.md
   - scripts.md
   - training_hparam_examples.md
   - feature_extraction.md
   - changes.md
   - archived_changes.md
-  - ... | models/*.md
 theme:
   name: 'material'
   feature: