add new images

Author: HarshCasper

images/agreggated-covid-test-data-cases-athena-query.png

@@ -115,23 +115,23 @@ Run queries against the `covid-19` database in the Glue Data Catalog:
 SELECT * FROM covid_19.hospital_beds LIMIT 10
 ```
 
-// Space for screenshot: hospital-beds-per-us-state-athena-query.png
+![Hospital beds data](./images/athena-sql-1.png)
 
 #### Aggregated COVID data by states
 
 ```sql
 SELECT * FROM covid_19.enigma_aggregation_us_states
 ```
 
-// Space for screenshot: agreggated-covid-test-data-cases-athena-query.png
+![Aggregated COVID data by states](./images/athena-sql-2.png)
 
 #### Moderna vaccine distribution
 
 ```sql
 SELECT * FROM covid_19.cdc_moderna_vaccine_distribution
 ```
 
-// Space for screenshot: moderna-vaccine-allocations-athena-query.png
+![Moderna vaccine distribution](./images/athena-sql-3.png)
 
 #### Integration tests