Attempt to force greater vertical spacing

Author: jonels-msft

articles/postgresql/hyperscale/howto-build-scalable-apps-classify.md

@@ -30,7 +30,7 @@ them, take a moment to do so.
   digit millisecond latency requirements for their database queries.
 * These apps have a classic relational data model, and are built using ORMs –
   like RoR, Hibernate, Django etc.
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+  <br><br>
   > [!VIDEO https://www.youtube.com/embed/7gAW08du6kk]
 
 ## Characteristics of real-time operational analytics
@@ -43,7 +43,7 @@ them, take a moment to do so.
 * Common data models in these apps include:
 	* Star Schema - few large/fact tables, the rest being small/dimension tables
 	* Mostly fewer than 20 major tables
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+  <br><br>
   > [!VIDEO https://www.youtube.com/embed/xGWVVTva434]
 
 ## Characteristics of high-throughput transactional
@@ -57,7 +57,7 @@ them, take a moment to do so.
 * Query latency in single-digit milliseconds, with a high concurrency
   requirement.
 * Time series data, such as internet of things.
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+  <br><br>
   > [!VIDEO https://www.youtube.com/embed/A9q7w96yO_E]
 
 ## Next steps