minor updates to index.md file

Author: DougAnsonAustinTX

content/learning-paths/embedded-and-microcontrollers/edge_impulse_greengrass/_index.md

@@ -5,7 +5,7 @@ draft: true
 cascade:
     draft: true
 
-minutes_to_complete: 90
+minutes_to_complete: 120
 
 who_is_this_for: This learning path is for Edge AI and embedded engineers who need to scalably deploy crafted ML for the Edge to thousands of edge devices. 
 
@@ -17,31 +17,33 @@ learning_objectives:
 
 prerequisites:
   - An [Edge Impulse Studio](https://studio.edgeimpulse.com/signup) account (workshop will walk through this).
+  - An AWS Account (if not being hosted by AWS Workshop Studio)
 
 author: Doug Anson
+
 ### Tags
-skilllevels: Introductory
+skilllevels: Intermediate
+cloud_service_providers: AWS
 subjects: ML
 armips:
     - Cortex-M
+
 tools_software_languages:
     - Edge Impulse
     - Edge AI
+
 operatingsystems:
     - Linux
 
-
+### FIXED, DO NOT MODIFY
+# ================================================================================
 further_reading:
     - resource:
         title: Edge Impulse for beginners
         link: https://docs.edgeimpulse.com/docs/readme/for-beginners
         type: doc
 
-
-
-### FIXED, DO NOT MODIFY
-# ================================================================================
-weight: 1                       # _index.md always has weight of 1 to order correctly
+weight: 1                       # _index.md always has weight of 1 to order correctly 
 layout: "learningpathall"       # All files under learning paths have this same wrapper
 learning_path_main_page: "yes"  # This should be surfaced when looking for related content. Only set for _index.md of learning path content.
 ---