Add output location (Azure#5)

Co-authored-by: Mitch Webster <[email protected]>

Author: miwebst

action.yml

@@ -19,9 +19,12 @@ inputs:
   api_location:
     description: "Directory location of the Azure Functions source code"
     required: false
-  app_artifact_location:
+  output_location:
     description: "Directory location of the compiled application code after building"
     required: false
+  app_artifact_location:
+    description: "Identical in use to output_location"
+    required: false
   app_build_command:
     description: "Custom command for Oryx to run when building application source code"
     required: false