add tags to surface Aurora on GH Models (#4163)

Author: jfomhover

assets/models/system/aurora/spec.yaml

@@ -25,5 +25,12 @@ tags:
   sku_to_num_replicas_map:
     Standard_NC24ads_A100_v4: 1
     Default: 1
+  displayName: "Aurora"
+  summary: "Aurora is a machine learning model that can predict general environmental variables."
+  inputModalities: "data"
+  outputModalities: "data"
+  licenseDescription: "This model and the associated model weights are released under the license CC-BY-NC-SA-4.0 <https://spdx.org/licenses/CC-BY-NC-SA-4.0>. This means that you are free to share and adapt the material for non-commercial purposes, as long as you provide appropriate credit, indicate if changes were made, and distribute your contributions under the same license."
+  freePlayground: "true"
+  playgroundRateLimitTier:  "low"  
 
 version: 3